diff --git a/Projects/Server/Attributes.cs b/Projects/Server/Attributes.cs
index 84ba2fc12..daab18e7e 100644
--- a/Projects/Server/Attributes.cs
+++ b/Projects/Server/Attributes.cs
@@ -21,19 +21,13 @@ using ModernUO.Serialization;
 namespace Server;
 
 [AttributeUsage(AttributeTargets.Property)]
-public class HueAttribute : Attribute
-{
-}
+public class HueAttribute : Attribute;
 
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct)]
-public class PropertyObjectAttribute : Attribute
-{
-}
+public class PropertyObjectAttribute : Attribute;
 
 [AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct)]
-public class NoSortAttribute : Attribute
-{
-}
+public class NoSortAttribute : Attribute;
 
 [AttributeUsage(AttributeTargets.Method)]
 public class CallPriorityAttribute : Attribute
@@ -193,3 +187,9 @@ public class SerializedCommandPropertyAttribute : SerializedPropertyAttrAttribut
     public bool ReadOnly { get; }
     public bool CanModify { get; }
 }
+
+[AttributeUsage(AttributeTargets.Property)]
+public class IgnoreDupeAttribute : Attribute;
+
+[AttributeUsage(AttributeTargets.Field)]
+public class SerializedIgnoreDupeAttribute : SerializedPropertyAttrAttribute<IgnoreDupeAttribute>;
diff --git a/Projects/Server/Guild.cs b/Projects/Server/Guild.cs
index 29370d183..1a793cc49 100644
--- a/Projects/Server/Guild.cs
+++ b/Projects/Server/Guild.cs
@@ -44,14 +44,18 @@ public abstract class BaseGuild : ISerializable
 
     public bool Deleted => Disbanded;
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.Counselor)]
     public Serial Serial { get; }
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.GameMaster, readOnly: true)]
     public DateTime Created { get; set; } = Core.Now;
 
+    [IgnoreDupe]
     public long SavePosition { get; set; } = -1;
 
+    [IgnoreDupe]
     public BufferWriter SaveBuffer { get; set; }
 
     public abstract void Serialize(IGenericWriter writer);
diff --git a/Projects/Server/Items/Item.cs b/Projects/Server/Items/Item.cs
index 82f0c0ad9..e6d0cd771 100644
--- a/Projects/Server/Items/Item.cs
+++ b/Projects/Server/Items/Item.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using Server.Collections;
 using Server.ContextMenus;
@@ -254,8 +255,13 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
     }
 
     // Sectors
+    [IgnoreDupe]
     public Item Next { get; set; }
+
+    [IgnoreDupe]
     public Item Previous { get; set; }
+
+    [IgnoreDupe]
     public bool OnLinkList { get; set; }
 
     /// <summary>
@@ -586,6 +592,7 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
     }
 
     // Note: Setting the parent via command/props causes problems.
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.GameMaster, readOnly: true)]
     public IEntity Parent
     {
@@ -754,6 +761,7 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
     public int CompareTo(Item other) => other == null ? -1 : Serial.CompareTo(other.Serial);
 
     public virtual int HuedItemID => m_ItemID;
+
     public ObjectPropertyList PropertyList => m_PropertyList ??= InitializePropertyList(new ObjectPropertyList(this));
 
     /// <summary>
@@ -768,13 +776,17 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
         AddNameProperties(list);
     }
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.GameMaster, readOnly: true)]
     public DateTime Created { get; set; } = Core.Now;
 
+    [IgnoreDupe]
     public long SavePosition { get; set; } = -1;
 
+    [IgnoreDupe]
     public BufferWriter SaveBuffer { get; set; }
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.Counselor)]
     public Serial Serial { get; }
 
@@ -1445,6 +1457,7 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
         ClearProperties();
     }
 
+    [IgnoreDupe]
     public ISpawner Spawner
     {
         get => LookupCompactInfo()?.m_Spawner;
@@ -3341,21 +3354,41 @@ public class Item : IHued, IComparable<Item>, ISpawnable, IObjectPropertyListEnt
         }
     }
 
-    private static readonly HashSet<string> _excludedProperties =
-    [
-        "SaveBuffer",
-        "Parent",
-        "Next",
-        "Previous",
-        "OnLinkList"
-    ];
-
-    public virtual bool DupeExcludedProperty(string propertyName) => _excludedProperties.Contains(propertyName);
-
     public virtual void OnAfterDuped(Item newItem)
     {
     }
 
+    // Warning: This uses reflection and is slow!
+    public virtual void Dupe(Item newItem)
+    {
+        CopyProperties(this, newItem);
+        OnAfterDuped(newItem);
+    }
+
+    // Warning: This uses reflection and is slow!
+    public static void CopyProperties(Item src, Item dest)
+    {
+        var props = src.GetType().GetProperties();
+
+        for (var i = 0; i < props.Length; i++)
+        {
+            var p = props[i];
+            if (p.GetCustomAttribute(typeof(IgnoreDupeAttribute), true) != null || !p.CanRead || !p.CanWrite)
+            {
+                continue;
+            }
+
+            try
+            {
+                p.SetValue(dest, p.GetValue(src, null), null);
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
+
     public virtual bool OnDragLift(Mobile from) => true;
 
     public virtual bool OnEquip(Mobile from) => true;
diff --git a/Projects/Server/Mobiles/Mobile.cs b/Projects/Server/Mobiles/Mobile.cs
index f9b38d089..11dbbd635 100644
--- a/Projects/Server/Mobiles/Mobile.cs
+++ b/Projects/Server/Mobiles/Mobile.cs
@@ -2256,13 +2256,17 @@ public partial class Mobile : IHued, IComparable<Mobile>, ISpawnable, IObjectPro
         AddNameProperties(list);
     }
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.GameMaster, readOnly: true)]
     public DateTime Created { get; set; } = Core.Now;
 
+    [IgnoreDupe]
     public long SavePosition { get; set; } = -1;
 
+    [IgnoreDupe]
     public BufferWriter SaveBuffer { get; set; }
 
+    [IgnoreDupe]
     [CommandProperty(AccessLevel.Counselor)]
     public Serial Serial { get; }
 
diff --git a/Projects/UOContent.Tests/Tests/Items/Books/BookPacketTests.cs b/Projects/UOContent.Tests/Tests/Items/Books/BookPacketTests.cs
index 65ebb162b..d8025bcf4 100644
--- a/Projects/UOContent.Tests/Tests/Items/Books/BookPacketTests.cs
+++ b/Projects/UOContent.Tests/Tests/Items/Books/BookPacketTests.cs
@@ -11,7 +11,7 @@ public class TestBook : BaseBook
 {
     public TestBook(int itemID, int pageCount = 20, bool writable = true) : base(itemID, pageCount, writable)
     {
-        }
+    }
 
     public TestBook(int itemID, string title, string author, int pageCount, bool writable) : base(itemID, title, author, pageCount, writable)
     {
@@ -89,4 +89,4 @@ public class BookPacketTests : IClassFixture<ServerFixture>
         var result = ns.SendPipe.Reader.AvailableToRead();
         AssertThat.Equal(result, expected);
         }
-}
\ No newline at end of file
+}
diff --git a/Projects/UOContent/Commands/Dupe.cs b/Projects/UOContent/Commands/Dupe.cs
index 092f84bb3..2ab656651 100644
--- a/Projects/UOContent/Commands/Dupe.cs
+++ b/Projects/UOContent/Commands/Dupe.cs
@@ -2,162 +2,137 @@ using System;
 using Server.Items;
 using Server.Targeting;
 
-namespace Server.Commands
+namespace Server.Commands;
+
+public static class Dupe
 {
-    public static class Dupe
+    public static void Configure()
     {
-        public static void Configure()
+        CommandSystem.Register("Dupe", AccessLevel.GameMaster, Dupe_OnCommand);
+        CommandSystem.Register("DupeInBag", AccessLevel.GameMaster, DupeInBag_OnCommand);
+    }
+
+    [Usage("Dupe [amount]")]
+    [Description("Dupes a targeted item.")]
+    private static void Dupe_OnCommand(CommandEventArgs e)
+    {
+        var amount = 1;
+        if (e.Length >= 1)
         {
-            CommandSystem.Register("Dupe", AccessLevel.GameMaster, Dupe_OnCommand);
-            CommandSystem.Register("DupeInBag", AccessLevel.GameMaster, DupeInBag_OnCommand);
+            amount = e.GetInt32(0);
         }
 
-        [Usage("Dupe [amount]")]
-        [Description("Dupes a targeted item.")]
-        private static void Dupe_OnCommand(CommandEventArgs e)
+        e.Mobile.Target = new DupeTarget(false, amount > 0 ? amount : 1);
+        e.Mobile.SendMessage("What do you wish to dupe?");
+    }
+
+    [Usage("DupeInBag <count>")]
+    [Description("Dupes an item at it's current location (count) number of times.")]
+    private static void DupeInBag_OnCommand(CommandEventArgs e)
+    {
+        var amount = 1;
+        if (e.Length >= 1)
         {
-            var amount = 1;
-            if (e.Length >= 1)
+            amount = e.GetInt32(0);
+        }
+
+        e.Mobile.Target = new DupeTarget(true, amount > 0 ? amount : 1);
+        e.Mobile.SendMessage("What do you wish to dupe?");
+    }
+
+    private class DupeTarget : Target
+    {
+        private readonly int m_Amount;
+        private readonly bool m_InBag;
+
+        public DupeTarget(bool inbag, int amount)
+            : base(15, false, TargetFlags.None)
+        {
+            m_InBag = inbag;
+            m_Amount = amount;
+        }
+
+        protected override void OnTarget(Mobile from, object targ)
+        {
+            var done = false;
+            if (targ is not Item copy)
             {
-                amount = e.GetInt32(0);
+                from.SendMessage("You can only dupe items.");
+                return;
             }
 
-            e.Mobile.Target = new DupeTarget(false, amount > 0 ? amount : 1);
-            e.Mobile.SendMessage("What do you wish to dupe?");
-        }
+            CommandLogging.WriteLine(
+                from,
+                $"{from.AccessLevel} {CommandLogging.Format(from)} duping {CommandLogging.Format(copy)} (inBag={m_InBag}; amount={m_Amount})"
+            );
 
-        [Usage("DupeInBag <count>")]
-        [Description("Dupes an item at it's current location (count) number of times.")]
-        private static void DupeInBag_OnCommand(CommandEventArgs e)
-        {
-            var amount = 1;
-            if (e.Length >= 1)
+            Container pack = null;
+
+            if (m_InBag)
             {
-                amount = e.GetInt32(0);
+                pack = copy.Parent switch
+                {
+                    Container cont => cont,
+                    Mobile m       => m.Backpack,
+                    _              => null
+                };
+            }
+            else
+            {
+                pack = from.Backpack;
             }
 
-            e.Mobile.Target = new DupeTarget(true, amount > 0 ? amount : 1);
-            e.Mobile.SendMessage("What do you wish to dupe?");
-        }
-
-        public static void CopyProperties(Item dest, Item src)
-        {
-            var props = src.GetType().GetProperties();
-
-            for (var i = 0; i < props.Length; i++)
+            var c = copy.GetType().GetConstructor(out var paramCount);
+            if (c != null)
             {
-                var p = props[i];
+                var args = paramCount == 0 ? null : new object[paramCount];
+                if (args != null)
+                {
+                    Array.Fill(args, Type.Missing);
+                }
+
                 try
                 {
-                    // Do not set the parent since it screws up mobile/container totals and weights.
-                    if (p.CanRead && p.CanWrite && !src.DupeExcludedProperty(p.Name) && !dest.DupeExcludedProperty(p.Name))
+                    from.SendMessage($"Duping {m_Amount}...");
+                    for (var i = 0; i < m_Amount; i++)
                     {
-                        p.SetValue(dest, p.GetValue(src, null), null);
+                        if (c.Invoke(args) is Item newItem)
+                        {
+                            copy.Dupe(newItem);
+
+                            if (pack != null)
+                            {
+                                pack.DropItem(newItem);
+                            }
+                            else
+                            {
+                                newItem.MoveToWorld(from.Location, from.Map);
+                            }
+
+                            newItem.UpdateTotals();
+                            newItem.InvalidateProperties();
+                            newItem.Delta(ItemDelta.Update);
+
+                            CommandLogging.WriteLine(
+                                from,
+                                $"{from.AccessLevel} {CommandLogging.Format(from)} duped {CommandLogging.Format(copy)} creating {CommandLogging.Format(newItem)}"
+                            );
+                        }
                     }
+
+                    from.SendMessage("Done");
+                    done = true;
                 }
                 catch
                 {
-                    // ignored
-                }
-            }
-        }
-
-        private class DupeTarget : Target
-        {
-            private readonly int m_Amount;
-            private readonly bool m_InBag;
-
-            public DupeTarget(bool inbag, int amount)
-                : base(15, false, TargetFlags.None)
-            {
-                m_InBag = inbag;
-                m_Amount = amount;
-            }
-
-            protected override void OnTarget(Mobile from, object targ)
-            {
-                var done = false;
-                if (!(targ is Item))
-                {
-                    from.SendMessage("You can only dupe items.");
+                    from.SendMessage("Error!");
                     return;
                 }
+            }
 
-                CommandLogging.WriteLine(
-                    from,
-                    $"{from.AccessLevel} {CommandLogging.Format(from)} duping {CommandLogging.Format(targ)} (inBag={m_InBag}; amount={m_Amount})"
-                );
-
-                var copy = (Item)targ;
-                Container pack = null;
-
-                if (m_InBag)
-                {
-                    pack = copy.Parent switch
-                    {
-                        Container cont => cont,
-                        Mobile m       => m.Backpack,
-                        _              => pack
-                    };
-                }
-                else
-                {
-                    pack = from.Backpack;
-                }
-
-                var c = copy.GetType().GetConstructor(out var paramCount);
-                if (c != null)
-                {
-                    var args = paramCount == 0 ? null : new object[paramCount];
-                    if (args != null)
-                    {
-                        Array.Fill(args, Type.Missing);
-                    }
-
-                    try
-                    {
-                        from.SendMessage($"Duping {m_Amount}...");
-                        for (var i = 0; i < m_Amount; i++)
-                        {
-                            if (c.Invoke(args) is Item newItem)
-                            {
-                                CopyProperties(newItem, copy);
-                                copy.OnAfterDuped(newItem);
-
-                                if (pack != null)
-                                {
-                                    pack.DropItem(newItem);
-                                }
-                                else
-                                {
-                                    newItem.MoveToWorld(from.Location, from.Map);
-                                }
-
-                                newItem.UpdateTotals();
-                                newItem.InvalidateProperties();
-                                newItem.Delta(ItemDelta.Update);
-
-                                CommandLogging.WriteLine(
-                                    from,
-                                    $"{from.AccessLevel} {CommandLogging.Format(from)} duped {CommandLogging.Format(targ)} creating {CommandLogging.Format(newItem)}"
-                                );
-                            }
-                        }
-
-                        from.SendMessage("Done");
-                        done = true;
-                    }
-                    catch
-                    {
-                        from.SendMessage("Error!");
-                        return;
-                    }
-                }
-
-                if (!done)
-                {
-                    from.SendMessage("Unable to dupe. Item must have a constructor with zero required parameters.");
-                }
+            if (!done)
+            {
+                from.SendMessage("Unable to dupe. Item must have a constructor with zero required parameters.");
             }
         }
     }
diff --git a/Projects/UOContent/Engines/Bulk Orders/Books/BulkOrderBook.cs b/Projects/UOContent/Engines/Bulk Orders/Books/BulkOrderBook.cs
index 2ffa7e602..04ead61d2 100644
--- a/Projects/UOContent/Engines/Bulk Orders/Books/BulkOrderBook.cs	
+++ b/Projects/UOContent/Engines/Bulk Orders/Books/BulkOrderBook.cs	
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using ModernUO.Serialization;
 using Server.ContextMenus;
 using Server.Gumps;
-using Server.Items;
 using Server.Mobiles;
 using Server.Multis;
 using Server.Prompts;
@@ -16,6 +15,7 @@ public partial class BulkOrderBook : Item, ISecurable
     [SerializableField(0)]
     private int _itemCount;
 
+    [SerializedIgnoreDupe]
     [InvalidateProperties]
     [SerializableField(1)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
@@ -26,10 +26,12 @@ public partial class BulkOrderBook : Item, ISecurable
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private string _bookName;
 
+    [SerializedIgnoreDupe]
     [SerializableField(3)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private BOBFilter _filter;
 
+    [SerializedIgnoreDupe]
     [SerializableField(4)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private List<IBOBEntry> _entries;
@@ -40,12 +42,39 @@ public partial class BulkOrderBook : Item, ISecurable
         Weight = 1.0;
         LootType = LootType.Blessed;
 
-        _entries = new List<IBOBEntry>();
+        _entries = [];
         _filter = new BOBFilter();
 
         _level = SecureLevel.CoOwners;
     }
 
+    public override void OnAfterDuped(Item newItem)
+    {
+        if (newItem is not BulkOrderBook book)
+        {
+            return;
+        }
+
+        var filter = book._filter;
+        filter.Material = Filter.Material;
+        filter.Quality = Filter.Quality;
+        filter.Quantity = Filter.Quantity;
+        filter.Type = Filter.Type;
+
+        for (var i = 0; i < Entries.Count; i++)
+        {
+            // Recreate the BOD
+            var bod = Entries[i].Reconstruct();
+
+            // Recreate the entry
+            IBOBEntry newEntry = bod is LargeBOD largeBod ? new BOBLargeEntry(largeBod) : new BOBSmallEntry((SmallBOD)bod);
+            book.AddToEntries(newEntry);
+
+            // Delete the new BOD
+            bod.Delete();
+        }
+    }
+
     public override void OnDoubleClick(Mobile from)
     {
         if (!from.InRange(GetWorldLocation(), 2))
@@ -169,13 +198,21 @@ public partial class BulkOrderBook : Item, ISecurable
         }
     }
 
-    public void InvalidateContainers(IEntity parent)
+    public static void InvalidateContainers(IEntity parent)
     {
-        if (parent is Container c)
+        do
         {
-            c.InvalidateProperties();
-            InvalidateContainers(c.Parent);
-        }
+            if (parent is Item item)
+            {
+                item.InvalidateProperties();
+                parent = item.Parent;
+            }
+            else if (parent is Mobile m)
+            {
+                m.InvalidateProperties();
+                return;
+            }
+        } while (parent != null);
     }
 
     private void Deserialize(IGenericReader reader, int version)
diff --git a/Projects/UOContent/Engines/Plants/MainPlantGump.cs b/Projects/UOContent/Engines/Plants/MainPlantGump.cs
index 01ddf1fdf..0e831898b 100644
--- a/Projects/UOContent/Engines/Plants/MainPlantGump.cs
+++ b/Projects/UOContent/Engines/Plants/MainPlantGump.cs
@@ -195,11 +195,15 @@ namespace Server.Engines.Plants
             switch (value)
             {
                 case 1:
-                    AddLabel(x, y, 0x35, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x35, "+");
+                        break;
+                    }
                 case 2:
-                    AddLabel(x, y, 0x21, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x21, "+");
+                        break;
+                    }
             }
         }
 
@@ -208,17 +212,25 @@ namespace Server.Engines.Plants
             switch (value)
             {
                 case 0:
-                    AddLabel(x, y, 0x21, "-");
-                    break;
+                    {
+                        AddLabel(x, y, 0x21, "-");
+                        break;
+                    }
                 case 1:
-                    AddLabel(x, y, 0x35, "-");
-                    break;
+                    {
+                        AddLabel(x, y, 0x35, "-");
+                        break;
+                    }
                 case 3:
-                    AddLabel(x, y, 0x35, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x35, "+");
+                        break;
+                    }
                 case 4:
-                    AddLabel(x, y, 0x21, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x21, "+");
+                        break;
+                    }
             }
         }
 
@@ -236,21 +248,33 @@ namespace Server.Engines.Plants
 
             switch (m_Plant.PlantSystem.GrowthIndicator)
             {
+                default:
+                case PlantGrowthIndicator.None:
                 case PlantGrowthIndicator.InvalidLocation:
-                    AddLabel(x, y, 0x21, "!");
-                    break;
+                    {
+                        AddLabel(x, y, 0x21, "!");
+                        break;
+                    }
                 case PlantGrowthIndicator.NotHealthy:
-                    AddLabel(x, y, 0x21, "-");
-                    break;
+                    {
+                        AddLabel(x, y, 0x21, "-");
+                        break;
+                    }
                 case PlantGrowthIndicator.Delay:
-                    AddLabel(x, y, 0x35, "-");
-                    break;
+                    {
+                        AddLabel(x, y, 0x35, "-");
+                        break;
+                    }
                 case PlantGrowthIndicator.Grown:
-                    AddLabel(x, y, 0x3, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x3, "+");
+                        break;
+                    }
                 case PlantGrowthIndicator.DoubleGrown:
-                    AddLabel(x, y, 0x3F, "+");
-                    break;
+                    {
+                        AddLabel(x, y, 0x3F, "+");
+                        break;
+                    }
             }
         }
 
diff --git a/Projects/UOContent/Engines/Plants/PlantItem.cs b/Projects/UOContent/Engines/Plants/PlantItem.cs
index a37917d72..8a8183a66 100644
--- a/Projects/UOContent/Engines/Plants/PlantItem.cs
+++ b/Projects/UOContent/Engines/Plants/PlantItem.cs
@@ -32,6 +32,9 @@ public enum PlantStatus
 [SerializationGenerator(3, false)]
 public partial class PlantItem : Item, ISecurable
 {
+    public static List<PlantItem> Plants { get; } = [];
+
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
@@ -39,6 +42,7 @@ public partial class PlantItem : Item, ISecurable
     [SerializableFieldSaveFlag(0)]
     private bool ShouldSerializeSecureLevel() => (int)_level != 0;
 
+    [SerializedIgnoreDupe]
     [SerializableField(5, setter: "private")]
     private PlantSystem _plantSystem;
 
@@ -192,7 +196,10 @@ public partial class PlantItem : Item, ISecurable
     [CommandProperty(AccessLevel.GameMaster)]
     public bool Reproduces => PlantHueInfo.CanReproduce(PlantHue) && PlantTypeInfo.CanReproduce(PlantType);
 
-    public static List<PlantItem> Plants { get; } = new();
+    public override void OnAfterDuped(Item newItem)
+    {
+        PlantSystem.OnAfterDuped(newItem);
+    }
 
     public override void OnSingleClick(Mobile from)
     {
@@ -231,7 +238,7 @@ public partial class PlantItem : Item, ISecurable
         };
     }
 
-    public int GetLocalizedContainerType() => 1150435;
+    public static int GetLocalizedContainerType() => 1150435;
 
     private void Update()
     {
diff --git a/Projects/UOContent/Engines/Plants/PlantSystem.cs b/Projects/UOContent/Engines/Plants/PlantSystem.cs
index 6a5d05826..3579d31a5 100644
--- a/Projects/UOContent/Engines/Plants/PlantSystem.cs
+++ b/Projects/UOContent/Engines/Plants/PlantSystem.cs
@@ -66,9 +66,9 @@ namespace Server.Engines.Plants
         private void Deserialize(IGenericReader reader, int version)
         {
             _fertileDirt = reader.ReadBool();
-            NextGrowth = reader.ReadDateTime();
+            _nextGrowth = reader.ReadDateTime();
 
-            GrowthIndicator = (PlantGrowthIndicator)reader.ReadInt();
+            _growthIndicator = (PlantGrowthIndicator)reader.ReadInt();
 
             _water = reader.ReadInt();
 
@@ -139,16 +139,14 @@ namespace Server.Engines.Plants
 
         public int MaxHits => 10 + (int)Plant.PlantStatus * 2;
 
-        public PlantHealth Health
-        {
-            get => (_hits * 100 / MaxHits) switch
+        public PlantHealth Health =>
+            (_hits * 100 / MaxHits) switch
             {
                 < 33  => PlantHealth.Dying,
                 < 66  => PlantHealth.Wilted,
                 < 100 => PlantHealth.Healthy,
                 _     => PlantHealth.Vibrant
             };
-        }
 
         [SerializableProperty(5)]
         public int Infestation
@@ -369,6 +367,41 @@ namespace Server.Engines.Plants
             LeftResources = 8;
         }
 
+        public void OnAfterDuped(Item newItem)
+        {
+            if (newItem is not PlantItem plant)
+            {
+                return;
+            }
+
+            // Copy all properties from this.PlantSystem to plantItem.PlantSystem
+            var plantSystem = plant.PlantSystem;
+            plantSystem.Water = Water;
+            plantSystem.Hits = Hits;
+            plantSystem.Infestation = Infestation;
+            plantSystem.Fungus = Fungus;
+            plantSystem.PoisonPotion = PoisonPotion;
+            plantSystem.Disease = Disease;
+            plantSystem.PoisonPotion = PoisonPotion;
+            plantSystem.CurePotion = CurePotion;
+            plantSystem.HealPotion = HealPotion;
+            plantSystem.StrengthPotion = StrengthPotion;
+
+            plantSystem.Pollinated = Pollinated;
+
+            // Do not use getter since it has computed logic
+            plantSystem.SeedType = _seedType;
+            plantSystem.SeedHue = _seedHue;
+
+            plantSystem.AvailableSeeds = AvailableSeeds;
+            plantSystem.LeftSeeds = LeftSeeds;
+            plantSystem.AvailableResources = AvailableResources;
+            plantSystem.LeftResources = LeftResources;
+            plantSystem.FertileDirt = FertileDirt;
+            plantSystem.NextGrowth = NextGrowth;
+            plantSystem.GrowthIndicator = GrowthIndicator;
+        }
+
         public int GetLocalizedDirtStatus() =>
             Water switch
             {
diff --git a/Projects/UOContent/Engines/Plants/Seed.cs b/Projects/UOContent/Engines/Plants/Seed.cs
index 9822da7f6..043ad445b 100644
--- a/Projects/UOContent/Engines/Plants/Seed.cs
+++ b/Projects/UOContent/Engines/Plants/Seed.cs
@@ -173,9 +173,8 @@ public partial class Seed : Item
             return;
         }
 
-        newSeed.PlantType = _plantType;
         newSeed.PlantHue = _plantHue;
-        newSeed.ShowType = _showType;
+        newSeed.Hue = Hue;
     }
 
     private void Deserialize(IGenericReader reader, int version)
diff --git a/Projects/UOContent/Engines/Spawners/BaseSpawner.cs b/Projects/UOContent/Engines/Spawners/BaseSpawner.cs
index 928d4fe07..fa3387ab3 100644
--- a/Projects/UOContent/Engines/Spawners/BaseSpawner.cs
+++ b/Projects/UOContent/Engines/Spawners/BaseSpawner.cs
@@ -14,6 +14,7 @@ namespace Server.Engines.Spawners;
 [SerializationGenerator(10, false)]
 public abstract partial class BaseSpawner : Item, ISpawner
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.Developer)]
     private Guid _guid;
@@ -22,6 +23,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
     [SerializedCommandProperty(AccessLevel.Developer)]
     private bool _returnOnDeactivate;
 
+    [SerializedIgnoreDupe]
     [SerializableField(2, setter: "private")]
     private List<SpawnerEntry> _entries;
 
@@ -141,6 +143,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
     public bool IsFull => Spawned?.Count >= _count;
     public bool IsEmpty => Spawned?.Count == 0;
 
+    [IgnoreDupe]
     public Dictionary<ISpawnable, SpawnerEntry> Spawned { get; private set; }
 
     [SerializableProperty(8)]
@@ -269,17 +272,18 @@ public abstract partial class BaseSpawner : Item, ISpawner
         {
             newSpawner._guid = Guid.NewGuid();
             newSpawner.Spawned = new Dictionary<ISpawnable, SpawnerEntry>();
-            newSpawner.Entries = new List<SpawnerEntry>();
+            newSpawner.Entries = [];
 
             for (var i = 0; i < Entries.Count; i++)
             {
+                var entry = Entries[i];
                 newSpawner.AddEntry(
-                    Entries[i].SpawnedName,
-                    Entries[i].SpawnedProbability,
-                    Entries[i].SpawnedMaxCount,
+                    entry.SpawnedName,
+                    entry.SpawnedProbability,
+                    entry.SpawnedMaxCount,
                     false,
-                    Entries[i].Properties,
-                    Entries[i].Parameters
+                    entry.Properties,
+                    entry.Parameters
                 );
             }
         }
@@ -295,7 +299,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
     )
     {
         var entry = new SpawnerEntry(this, creaturename, probability, amount, properties, parameters);
-        Entries.Add(entry);
+        AddToEntries(entry);
         if (dotimer)
         {
             DoTimer(TimeSpan.FromSeconds(1));
@@ -315,7 +319,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
         _count = amount;
         _team = team;
         _homeRange = homeRange;
-        Entries = new List<SpawnerEntry>();
+        Entries = [];
         Spawned = new Dictionary<ISpawnable, SpawnerEntry>();
 
         DoTimer(TimeSpan.FromSeconds(1));
@@ -394,7 +398,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
 
     public void Defrag()
     {
-        Entries ??= new List<SpawnerEntry>();
+        Entries ??= [];
 
         for (var i = 0; i < Entries.Count; ++i)
         {
@@ -590,7 +594,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
             IEntity entity = null;
 
             var propargs = string.IsNullOrEmpty(entry.Properties)
-                ? Array.Empty<string>()
+                ? []
                 : CommandSystem.Split(entry.Properties.Trim());
 
             var props = FormatProperties(propargs);
@@ -604,7 +608,7 @@ public abstract partial class BaseSpawner : Item, ISpawner
             }
 
             var paramargs = string.IsNullOrEmpty(entry.Parameters)
-                ? Array.Empty<string>()
+                ? []
                 : entry.Parameters.Trim().Split(' ');
 
             if (paramargs.Length == 0)
diff --git a/Projects/UOContent/Items/Aquarium/Aquarium.cs b/Projects/UOContent/Items/Aquarium/Aquarium.cs
index 3446c9c0b..dd1baf0b1 100644
--- a/Projects/UOContent/Items/Aquarium/Aquarium.cs
+++ b/Projects/UOContent/Items/Aquarium/Aquarium.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Runtime.CompilerServices;
 using ModernUO.Serialization;
 using Server.ContextMenus;
 using Server.Multis;
@@ -13,7 +14,7 @@ namespace Server.Items
         public static readonly TimeSpan EvaluationInterval = TimeSpan.FromDays(1);
 
         private static readonly Type[] m_Decorations =
-        {
+        [
             typeof(FishBones),
             typeof(WaterloggedBoots),
             typeof(CaptainBlackheartsFishingPole),
@@ -23,7 +24,7 @@ namespace Server.Items
             typeof(IslandStatue),
             typeof(Shell),
             typeof(ToyBoat)
-        };
+        ];
 
         private bool m_EvaluateDay;
 
@@ -45,16 +46,19 @@ namespace Server.Items
         [SerializedCommandProperty(AccessLevel.GameMaster)]
         private int _vacationLeft;
 
+        [SerializedIgnoreDupe]
         [InvalidateProperties]
         [SerializableField(3, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster)]
         private AquariumState _food;
 
+        [SerializedIgnoreDupe]
         [InvalidateProperties]
         [SerializableField(4, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster)]
         private AquariumState _water;
 
+        [SerializedIgnoreDupe]
         [SerializableField(5, setter: "private")]
         private List<int> _events;
 
@@ -90,7 +94,7 @@ namespace Server.Items
 
             _water.Maintain = Utility.RandomMinMax(1, 3);
 
-            _events = new List<int>();
+            _events = [];
 
             _evaluateTimer = Timer.DelayCall(EvaluationInterval, EvaluationInterval, Evaluate);
         }
@@ -145,9 +149,9 @@ namespace Server.Items
         public override double DefaultWeight => 10.0;
 
         private static int[] FishHues =
-        {
+        [
             0x1C2, 0x1C3, 0x2A3, 0x47E, 0x51D
-        };
+        ];
 
         public override void OnDelete()
         {
@@ -471,6 +475,29 @@ namespace Server.Items
             }
         }
 
+        public override void OnAfterDuped(Item newItem)
+        {
+            if (newItem is not Aquarium aquarium)
+            {
+                return;
+            }
+
+            aquarium.Food.Added = Food.Added;
+            aquarium.Food.Improve = Food.Improve;
+            aquarium.Food.Maintain = Food.Maintain;
+            aquarium.Food.State = Food.State;
+
+            aquarium.Water.Added = Water.Added;
+            aquarium.Water.Improve = Water.Improve;
+            aquarium.Water.Maintain = Water.Maintain;
+            aquarium.Water.State = Water.State;
+
+            for (var i = 0; i < _events.Count; i++)
+            {
+                aquarium.AddToEvents(_events[i]);
+            }
+        }
+
         private void Deserialize(IGenericReader reader, int version)
         {
             switch (version)
@@ -500,7 +527,7 @@ namespace Server.Items
                         _water = new AquariumState(this);
                         _water.Deserialize(reader);
 
-                        _events = new List<int>();
+                        _events = [];
                         var count = reader.ReadInt();
                         for (var i = 0; i < count; i++)
                         {
@@ -856,7 +883,8 @@ namespace Server.Items
             from.PlaySound(0x5A4);
         }
 
-        public virtual bool AddFish(BaseFish fish) => AddFish(null, fish);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool AddFish(BaseFish fish) => AddFish(null, fish);
 
         public virtual bool AddFish(Mobile from, BaseFish fish)
         {
@@ -877,16 +905,15 @@ namespace Server.Items
 
             LiveCreatures += 1;
 
-            from?.SendLocalizedMessage(
-                1073632,
-                $"#{fish.LabelNumber}"
-            ); // You add the following creature to your aquarium: ~1_FISH~
+            // You add the following creature to your aquarium: ~1_FISH~
+            from?.SendLocalizedMessage(1073632, $"#{fish.LabelNumber}");
 
             InvalidateProperties();
             return true;
         }
 
-        public virtual bool AddDecoration(Item item) => AddDecoration(null, item);
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public bool AddDecoration(Item item) => AddDecoration(null, item);
 
         public virtual bool AddDecoration(Mobile from, Item item)
         {
diff --git a/Projects/UOContent/Items/Aquarium/AquariumState.cs b/Projects/UOContent/Items/Aquarium/AquariumState.cs
index 432f5d618..cdd59d9d9 100644
--- a/Projects/UOContent/Items/Aquarium/AquariumState.cs
+++ b/Projects/UOContent/Items/Aquarium/AquariumState.cs
@@ -40,7 +40,7 @@ namespace Server.Items
                 if (_state != value)
                 {
                     _state = Math.Clamp(value, 0, 4);
-                    this.MarkDirty();
+                    MarkDirty();
                 }
             }
         }
diff --git a/Projects/UOContent/Items/Armor/BaseArmor.cs b/Projects/UOContent/Items/Armor/BaseArmor.cs
index 82c34b067..7c5e45446 100644
--- a/Projects/UOContent/Items/Armor/BaseArmor.cs
+++ b/Projects/UOContent/Items/Armor/BaseArmor.cs
@@ -13,6 +13,7 @@ namespace Server.Items
     [SerializationGenerator(9, false)]
     public abstract partial class BaseArmor : Item, IScissorable, IFactionItem, ICraftable, IWearableDurability, IAosItem
     {
+        [SerializedIgnoreDupe]
         [SerializableField(0, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosAttributes _attributes;
@@ -23,6 +24,7 @@ namespace Server.Items
         [SerializableFieldDefault(0)]
         private AosAttributes AttributesDefaultValue() => new(this);
 
+        [SerializedIgnoreDupe]
         [SerializableField(1, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosArmorAttributes _armorAttributes;
@@ -128,6 +130,7 @@ namespace Server.Items
         // Field 22
         private AMA _meditate = (AMA)(-1);
 
+        [SerializedIgnoreDupe]
         [SerializableField(23, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         public AosSkillBonuses _skillBonuses;
@@ -788,6 +791,12 @@ namespace Server.Items
             armor.Attributes = new AosAttributes(newItem, Attributes);
             armor.ArmorAttributes = new AosArmorAttributes(newItem, ArmorAttributes);
             armor.SkillBonuses = new AosSkillBonuses(newItem, SkillBonuses);
+
+            // Set hue again because of resource
+            armor.Hue = Hue;
+            // Set HP/Max again because of durability
+            armor.HitPoints = HitPoints;
+            armor.MaxHitPoints = MaxHitPoints;
         }
 
         public int ComputeStatReq(StatType type)
diff --git a/Projects/UOContent/Items/Books/BaseBook.cs b/Projects/UOContent/Items/Books/BaseBook.cs
index dbf5f2dc3..a2f79607c 100644
--- a/Projects/UOContent/Items/Books/BaseBook.cs
+++ b/Projects/UOContent/Items/Books/BaseBook.cs
@@ -11,6 +11,7 @@ namespace Server.Items
     [SerializationGenerator(5, false)]
     public partial class BaseBook : Item, ISecurable
     {
+        [SerializedIgnoreDupe]
         [SerializableField(0)]
         [SerializedCommandProperty(AccessLevel.GameMaster)]
         private SecureLevel _level;
@@ -45,6 +46,7 @@ namespace Server.Items
         [SerializableFieldSaveFlag(3)]
         private bool ShouldSerializeWritable() => _writable;
 
+        [SerializedIgnoreDupe]
         [SerializableField(4, setter: "protected")]
         private BookPageInfo[] _pages;
 
@@ -52,7 +54,7 @@ namespace Server.Items
         private bool ShouldSerializePages() => DefaultContent?.IsMatch(_pages) != true;
 
         [SerializableFieldDefault(4)]
-        private BookPageInfo[] PagesDefaultvalue() => DefaultContent?.Copy() ?? Array.Empty<BookPageInfo>();
+        private BookPageInfo[] PagesDefaultValue() => DefaultContent?.Copy() ?? Array.Empty<BookPageInfo>();
 
         [Constructible]
         public BaseBook(int itemID, int pageCount = 20, bool writable = true) : this(itemID, null, null, pageCount, writable)
@@ -91,6 +93,29 @@ namespace Server.Items
         [CommandProperty(AccessLevel.GameMaster)]
         public int PagesCount => _pages.Length;
 
+        public override void OnAfterDuped(Item newItem)
+        {
+            if (newItem is not BaseBook book)
+            {
+                return;
+            }
+
+            book.Pages = new BookPageInfo[book.PagesCount];
+
+            for (var i = 0; i < _pages.Length; ++i)
+            {
+                var oldPage = _pages[i];
+                var oldLines = _pages[i].Lines;
+                var lines = new string[oldPage.Lines.Length];
+                for (var j = 0; j < oldLines.Length; j++)
+                {
+                    lines[j] = oldLines[j];
+                }
+
+                book._pages[i] = new BookPageInfo(lines);
+            }
+        }
+
         public virtual BookContent DefaultContent => null;
 
         public string ContentAsString
diff --git a/Projects/UOContent/Items/Books/BookPageInfo.cs b/Projects/UOContent/Items/Books/BookPageInfo.cs
index d5c7e24f4..ff07ca843 100644
--- a/Projects/UOContent/Items/Books/BookPageInfo.cs
+++ b/Projects/UOContent/Items/Books/BookPageInfo.cs
@@ -1,35 +1,32 @@
-using System;
+namespace Server.Items;
 
-namespace Server.Items
+public class BookPageInfo
 {
-    public class BookPageInfo
+    public BookPageInfo() => Lines = [];
+
+    public BookPageInfo(params string[] lines) => Lines = lines;
+
+    public BookPageInfo(IGenericReader reader)
     {
-        public BookPageInfo() => Lines = Array.Empty<string>();
+        var length = reader.ReadInt();
 
-        public BookPageInfo(params string[] lines) => Lines = lines;
+        Lines = new string[length];
 
-        public BookPageInfo(IGenericReader reader)
+        for (var i = 0; i < Lines.Length; ++i)
         {
-            var length = reader.ReadInt();
-
-            Lines = new string[length];
-
-            for (var i = 0; i < Lines.Length; ++i)
-            {
-                Lines[i] = reader.ReadString().Intern();
-            }
+            Lines[i] = reader.ReadString().Intern();
         }
+    }
 
-        public string[] Lines { get; set; }
+    public string[] Lines { get; set; }
 
-        public void Serialize(IGenericWriter writer)
+    public void Serialize(IGenericWriter writer)
+    {
+        writer.Write(Lines.Length);
+
+        for (var i = 0; i < Lines.Length; ++i)
         {
-            writer.Write(Lines.Length);
-
-            for (var i = 0; i < Lines.Length; ++i)
-            {
-                writer.Write(Lines[i]);
-            }
+            writer.Write(Lines[i]);
         }
     }
 }
diff --git a/Projects/UOContent/Items/Clothing/BaseClothing.cs b/Projects/UOContent/Items/Clothing/BaseClothing.cs
index c5b7f6e01..d975ab95f 100644
--- a/Projects/UOContent/Items/Clothing/BaseClothing.cs
+++ b/Projects/UOContent/Items/Clothing/BaseClothing.cs
@@ -29,6 +29,7 @@ namespace Server.Items
         [SerializableFieldSaveFlag(0)]
         private bool ShouldSerializeResource() => _resource != DefaultResource;
 
+        [SerializedIgnoreDupe]
         [SerializableField(1, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosAttributes _attributes;
@@ -39,6 +40,7 @@ namespace Server.Items
         [SerializableFieldDefault(1)]
         private AosAttributes AttributesDefaultValue() => new(this);
 
+        [SerializedIgnoreDupe]
         [SerializableField(2, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosArmorAttributes _clothingAttributes;
@@ -49,6 +51,7 @@ namespace Server.Items
         [SerializableFieldDefault(2)]
         private AosArmorAttributes ClothingAttributesDefaultValue() => new(this);
 
+        [SerializedIgnoreDupe]
         [SerializableField(3, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosSkillBonuses _skillBonuses;
@@ -59,6 +62,7 @@ namespace Server.Items
         [SerializableFieldDefault(3)]
         private AosSkillBonuses SkillBonusesDefaultValue() => new(this);
 
+        [SerializedIgnoreDupe]
         [SerializableField(4, setter: "private")]
         [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
         private AosElementAttributes _resistances;
@@ -637,6 +641,12 @@ namespace Server.Items
             clothing.Resistances = new AosElementAttributes(newItem, Resistances);
             clothing.SkillBonuses = new AosSkillBonuses(newItem, SkillBonuses);
             clothing.ClothingAttributes = new AosArmorAttributes(newItem, ClothingAttributes);
+
+            // Set hue again because of resource
+            clothing.Hue = Hue;
+            // Set HP/Max again because of durability
+            clothing.HitPoints = HitPoints;
+            clothing.MaxHitPoints = MaxHitPoints;
         }
 
         public override bool AllowEquippedCast(Mobile from) =>
diff --git a/Projects/UOContent/Items/Construction/Doors/HouseDoors.cs b/Projects/UOContent/Items/Construction/Doors/HouseDoors.cs
index a111d28fc..0661ff346 100644
--- a/Projects/UOContent/Items/Construction/Doors/HouseDoors.cs
+++ b/Projects/UOContent/Items/Construction/Doors/HouseDoors.cs
@@ -58,6 +58,7 @@ public partial class GenericHouseDoor : BaseHouseDoor
 [SerializationGenerator(2, false)]
 public abstract partial class BaseHouseDoor : BaseDoor, ISecurable
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Games/BaseBoard.cs b/Projects/UOContent/Items/Games/BaseBoard.cs
index 0d71c0a8f..fe493c587 100644
--- a/Projects/UOContent/Items/Games/BaseBoard.cs
+++ b/Projects/UOContent/Items/Games/BaseBoard.cs
@@ -11,6 +11,7 @@ namespace Server.Items;
 [SerializationGenerator(2, false)]
 public abstract partial class BaseBoard : Container, ISecurable
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Games/Mahjong/MahjongGame.cs b/Projects/UOContent/Items/Games/Mahjong/MahjongGame.cs
index 34292774c..4bf19d996 100644
--- a/Projects/UOContent/Items/Games/Mahjong/MahjongGame.cs
+++ b/Projects/UOContent/Items/Games/Mahjong/MahjongGame.cs
@@ -13,22 +13,28 @@ public partial class MahjongGame : Item, ISecurable
     public const int MaxPlayers = 4;
     public const int BaseScore = 30000;
 
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
 
+    [SerializedIgnoreDupe]
     [SerializableField(1, setter: "private")]
     private MahjongTile[] _tiles;
 
+    [SerializedIgnoreDupe]
     [SerializableField(2, setter: "private")]
     private MahjongDealerIndicator _dealerIndicator;
 
+    [SerializedIgnoreDupe]
     [SerializableField(3, setter: "private")]
     private MahjongWallBreakIndicator _wallBreakIndicator;
 
+    [SerializedIgnoreDupe]
     [SerializableField(4, setter: "private")]
     private MahjongDices _dices;
 
+    [SerializedIgnoreDupe]
     [SerializableField(5, setter: "private")]
     private MahjongPlayers _players;
 
diff --git a/Projects/UOContent/Items/Jewels/BaseJewel.cs b/Projects/UOContent/Items/Jewels/BaseJewel.cs
index 6b8b9b172..9e4bf0365 100644
--- a/Projects/UOContent/Items/Jewels/BaseJewel.cs
+++ b/Projects/UOContent/Items/Jewels/BaseJewel.cs
@@ -32,14 +32,17 @@ public abstract partial class BaseJewel : Item, ICraftable, IAosItem
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private GemType _gemType;
 
+    [SerializedIgnoreDupe]
     [SerializableField(4, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosAttributes _attributes;
 
+    [SerializedIgnoreDupe]
     [SerializableField(5, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosElementAttributes _resistances;
 
+    [SerializedIgnoreDupe]
     [SerializableField(6, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosSkillBonuses _skillBonuses;
@@ -193,6 +196,9 @@ public abstract partial class BaseJewel : Item, ICraftable, IAosItem
         jewel.Attributes = new AosAttributes(newItem, Attributes);
         jewel.Resistances = new AosElementAttributes(newItem, Resistances);
         jewel.SkillBonuses = new AosSkillBonuses(newItem, SkillBonuses);
+
+        // Set hue again because of resource
+        jewel.Hue = Hue;
     }
 
     public override void OnAdded(IEntity parent)
diff --git a/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs b/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
index ec1c07fa0..6652dc2ee 100644
--- a/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
+++ b/Projects/UOContent/Items/Misc/PlayerBulletinBoards.cs
@@ -31,6 +31,7 @@ public partial class PlayerBBEast : BasePlayerBB
 [SerializationGenerator(0, false)]
 public abstract partial class BasePlayerBB : Item, ISecurable
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
@@ -40,10 +41,12 @@ public abstract partial class BasePlayerBB : Item, ISecurable
     private string _title;
 
     [CanBeNull]
+    [SerializedIgnoreDupe]
     [SerializableField(2)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private PlayerBBMessage _greeting;
 
+    [SerializedIgnoreDupe]
     [SerializableField(3)]
     private List<PlayerBBMessage> _messages;
 
@@ -53,6 +56,25 @@ public abstract partial class BasePlayerBB : Item, ISecurable
         _level = SecureLevel.Anyone;
     }
 
+    public override void OnAfterDuped(Item newItem)
+    {
+        if (newItem is not BasePlayerBB board)
+        {
+            return;
+        }
+
+        if (_greeting != null)
+        {
+            board.Greeting = new PlayerBBMessage(_greeting.Time, _greeting.Poster, _greeting.Message);
+        }
+
+        for (var i = 0; i < _messages.Count; i++)
+        {
+            var message = _messages[i];
+            board.AddToMessages(new PlayerBBMessage(message.Time, message.Poster, message.Message));
+        }
+    }
+
     public override void GetContextMenuEntries(Mobile from, List<ContextMenuEntry> list)
     {
         base.GetContextMenuEntries(from, list);
diff --git a/Projects/UOContent/Items/Quivers/BaseQuiver.cs b/Projects/UOContent/Items/Quivers/BaseQuiver.cs
index 9748ddff2..cd29b6079 100644
--- a/Projects/UOContent/Items/Quivers/BaseQuiver.cs
+++ b/Projects/UOContent/Items/Quivers/BaseQuiver.cs
@@ -9,6 +9,7 @@ public partial class BaseQuiver : Container, ICraftable, IAosItem
 {
     private static Type[] m_Ammo = { typeof(Arrow), typeof(Bolt) };
 
+    [SerializedIgnoreDupe]
     [SerializableField(0, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosAttributes _attributes;
diff --git a/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs b/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs
index 1443e41b3..3a9007ec6 100644
--- a/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs	
+++ b/Projects/UOContent/Items/Skill Items/Magical/Runebook.cs	
@@ -24,10 +24,12 @@ public partial class Runebook : Item, ISecurable, ICraftable
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private string _crafter;
 
+    [SerializedIgnoreDupe]
     [SerializableField(2)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
 
+    [SerializedIgnoreDupe]
     [SerializableField(3, setter: "private")]
     private List<RunebookEntry> _entries;
 
@@ -281,7 +283,7 @@ public partial class Runebook : Item, ISecurable, ICraftable
             return;
         }
 
-        book.Entries = new List<RunebookEntry>();
+        book.Entries = [];
 
         for (var i = 0; i < Entries.Count; i++)
         {
diff --git a/Projects/UOContent/Items/Skill Items/Magical/Spellbook.cs b/Projects/UOContent/Items/Skill Items/Magical/Spellbook.cs
index 87edfd564..901a9d82e 100644
--- a/Projects/UOContent/Items/Skill Items/Magical/Spellbook.cs	
+++ b/Projects/UOContent/Items/Skill Items/Magical/Spellbook.cs	
@@ -96,10 +96,12 @@ public partial class Spellbook : Item, ICraftable, ISlayer, IAosItem
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SlayerName _slayer2;
 
+    [SerializedIgnoreDupe]
     [SerializableField(5, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosAttributes _attributes;
 
+    [SerializedIgnoreDupe]
     [SerializableField(6, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosSkillBonuses _skillBonuses;
@@ -539,13 +541,6 @@ public partial class Spellbook : Item, ICraftable, ISlayer, IAosItem
 
         book.Attributes = new AosAttributes(newItem, _attributes);
         book.SkillBonuses = new AosSkillBonuses(newItem, _skillBonuses);
-        book.Content = _content;
-        book.SpellCount = _spellCount;
-        book.Slayer = _slayer;
-        book.Slayer2 = _slayer2;
-        book.Quality = _quality;
-        book.EngravedText = _engravedText;
-        book.Crafter = _crafter;
     }
 
     public override void OnAdded(IEntity parent)
diff --git a/Projects/UOContent/Items/Skill Items/Tailor Items/Dyetubs/DyeTub.cs b/Projects/UOContent/Items/Skill Items/Tailor Items/Dyetubs/DyeTub.cs
index 25d7c9882..2f1f1a303 100644
--- a/Projects/UOContent/Items/Skill Items/Tailor Items/Dyetubs/DyeTub.cs	
+++ b/Projects/UOContent/Items/Skill Items/Tailor Items/Dyetubs/DyeTub.cs	
@@ -15,6 +15,7 @@ namespace Server.Items
     [SerializationGenerator(2, false)]
     public partial class DyeTub : Item, ISecurable
     {
+        [SerializedIgnoreDupe]
         [SerializableField(0)]
         [SerializedCommandProperty(AccessLevel.GameMaster)]
         private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Special/8th Anniversary Items/Dawn's Music Box/DawnsMusicBox.cs b/Projects/UOContent/Items/Special/8th Anniversary Items/Dawn's Music Box/DawnsMusicBox.cs
index ba49d027c..262f85f73 100644
--- a/Projects/UOContent/Items/Special/8th Anniversary Items/Dawn's Music Box/DawnsMusicBox.cs	
+++ b/Projects/UOContent/Items/Special/8th Anniversary Items/Dawn's Music Box/DawnsMusicBox.cs	
@@ -99,9 +99,11 @@ public partial class DawnsMusicBox : Item, ISecurable
         MusicName.SelimsBar, MusicName.SerpentIsleCombat_U7, MusicName.ValoriaShips
     };
 
+    [SerializedIgnoreDupe]
     [SerializableField(0, setter: "private")]
     private List<MusicName> _tracks;
 
+    [SerializedIgnoreDupe]
     [SerializableField(1)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Special/Gifts/RoseOfTrinsic.cs b/Projects/UOContent/Items/Special/Gifts/RoseOfTrinsic.cs
index a8e0d8872..3131288b8 100644
--- a/Projects/UOContent/Items/Special/Gifts/RoseOfTrinsic.cs
+++ b/Projects/UOContent/Items/Special/Gifts/RoseOfTrinsic.cs
@@ -18,6 +18,7 @@ public partial class RoseOfTrinsic : Item, ISecurable
     [SerializableField(1, setter: "private")]
     private DateTime _nextSpawnTime;
 
+    [SerializedIgnoreDupe]
     [SerializableField(2)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
@@ -34,6 +35,16 @@ public partial class RoseOfTrinsic : Item, ISecurable
 
     public override int LabelNumber => 1062913; // Rose of Trinsic
 
+    public override void OnAfterDuped(Item newItem)
+    {
+        if (newItem is not RoseOfTrinsic rose)
+        {
+            return;
+        }
+
+        rose.NextSpawnTime = NextSpawnTime;
+    }
+
     [SerializableProperty(0)]
     [CommandProperty(AccessLevel.GameMaster)]
     public int Petals
diff --git a/Projects/UOContent/Items/Special/Gifts/TapestryOfSosaria.cs b/Projects/UOContent/Items/Special/Gifts/TapestryOfSosaria.cs
index bcc185df1..53281154b 100644
--- a/Projects/UOContent/Items/Special/Gifts/TapestryOfSosaria.cs
+++ b/Projects/UOContent/Items/Special/Gifts/TapestryOfSosaria.cs
@@ -10,6 +10,7 @@ namespace Server.Items;
 [SerializationGenerator(1)]
 public partial class TapestryOfSosaria : Item, ISecurable
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Special/SoulStone.cs b/Projects/UOContent/Items/Special/SoulStone.cs
index 78cee0ec1..813a6f21e 100644
--- a/Projects/UOContent/Items/Special/SoulStone.cs
+++ b/Projects/UOContent/Items/Special/SoulStone.cs
@@ -17,6 +17,7 @@ public partial class SoulStone : Item, ISecurable
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private string _lastUserName;
 
+    [SerializedIgnoreDupe]
     [SerializableField(1)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;
diff --git a/Projects/UOContent/Items/Talismans/BaseTalisman.cs b/Projects/UOContent/Items/Talismans/BaseTalisman.cs
index 6b1b55202..7c91e6c4a 100644
--- a/Projects/UOContent/Items/Talismans/BaseTalisman.cs
+++ b/Projects/UOContent/Items/Talismans/BaseTalisman.cs
@@ -125,6 +125,7 @@ public partial class BaseTalisman : Item, IAosItem
         SkillName.Tinkering
     };
 
+    [SerializedIgnoreDupe]
     [SerializableField(0, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosAttributes _attributes;
@@ -135,6 +136,7 @@ public partial class BaseTalisman : Item, IAosItem
     [SerializableFieldDefault(0)]
     private AosAttributes AttributesDefaultValue() => new(this);
 
+    [SerializedIgnoreDupe]
     [SerializableField(1, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosSkillBonuses _skillBonuses;
@@ -145,6 +147,7 @@ public partial class BaseTalisman : Item, IAosItem
     [SerializableFieldDefault(1)]
     private AosSkillBonuses SkillBonusesDefaultValue() => new(this);
 
+    [SerializedIgnoreDupe]
     [InvalidateProperties]
     [SerializableField(2)]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
@@ -156,6 +159,7 @@ public partial class BaseTalisman : Item, IAosItem
     [SerializableFieldDefault(2)]
     private TalismanAttribute ProtectionDefaultValue() => new();
 
+    [SerializedIgnoreDupe]
     [InvalidateProperties]
     [SerializableField(3)]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
@@ -167,6 +171,7 @@ public partial class BaseTalisman : Item, IAosItem
     [SerializableFieldDefault(3)]
     private TalismanAttribute KillerDefaultValue() => new();
 
+    [SerializedIgnoreDupe]
     [InvalidateProperties]
     [SerializableField(4)]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
diff --git a/Projects/UOContent/Items/Weapons/BaseWeapon.cs b/Projects/UOContent/Items/Weapons/BaseWeapon.cs
index 270ab6ed5..cbc6fabd5 100644
--- a/Projects/UOContent/Items/Weapons/BaseWeapon.cs
+++ b/Projects/UOContent/Items/Weapons/BaseWeapon.cs
@@ -115,6 +115,7 @@ public abstract partial class BaseWeapon : Item, IWeapon, IFactionItem, ICraftab
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private bool ShouldSerializeIdentified() => _identified;
 
+    [SerializedIgnoreDupe]
     [SerializableField(24, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosAttributes _attributes;
@@ -126,6 +127,7 @@ public abstract partial class BaseWeapon : Item, IWeapon, IFactionItem, ICraftab
     [SerializableFieldDefault(24)]
     private AosAttributes AttributesDefaultValue() => new(this);
 
+    [SerializedIgnoreDupe]
     [SerializableField(25, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosWeaponAttributes _weaponAttributes;
@@ -145,6 +147,7 @@ public abstract partial class BaseWeapon : Item, IWeapon, IFactionItem, ICraftab
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private bool ShouldSerializePlayerConstructed() => _playerConstructed;
 
+    [SerializedIgnoreDupe]
     [SerializableField(27, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosSkillBonuses _skillBonuses;
@@ -165,6 +168,7 @@ public abstract partial class BaseWeapon : Item, IWeapon, IFactionItem, ICraftab
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private bool ShouldSerializeSlayer2() => _slayer2 != SlayerName.None;
 
+    [SerializedIgnoreDupe]
     [SerializableField(29, setter: "private")]
     [SerializedCommandProperty(AccessLevel.GameMaster, canModify: true)]
     private AosElementAttributes _aosElementDamages;
@@ -932,6 +936,12 @@ public abstract partial class BaseWeapon : Item, IWeapon, IFactionItem, ICraftab
         weap.AosElementDamages = new AosElementAttributes(newItem, AosElementDamages);
         weap.SkillBonuses = new AosSkillBonuses(newItem, SkillBonuses);
         weap.WeaponAttributes = new AosWeaponAttributes(newItem, WeaponAttributes);
+
+        // Set hue again because of resource
+        weap.Hue = Hue;
+        // Set HP/Max again because of durability
+        weap.HitPoints = HitPoints;
+        weap.MaxHitPoints = MaxHitPoints;
     }
 
     public int GetDurabilityBonus()
diff --git a/Projects/UOContent/Multis/Houses/HouseTeleporter.cs b/Projects/UOContent/Multis/Houses/HouseTeleporter.cs
index 087cf3cdf..17a2d9be8 100644
--- a/Projects/UOContent/Multis/Houses/HouseTeleporter.cs
+++ b/Projects/UOContent/Multis/Houses/HouseTeleporter.cs
@@ -11,6 +11,7 @@ namespace Server.Items;
 [SerializationGenerator(2, false)]
 public partial class HouseTeleporter : Item, ISecurable
 {
+    [SerializedIgnoreDupe]
     [SerializableField(0)]
     [SerializedCommandProperty(AccessLevel.GameMaster)]
     private SecureLevel _level;