diff --git a/Projects/UOContent.Tests/Tests/Utilities/TryParseTests.cs b/Projects/UOContent.Tests/Tests/Utilities/TryParseTests.cs
index 314290264..b6c693c84 100644
--- a/Projects/UOContent.Tests/Tests/Utilities/TryParseTests.cs
+++ b/Projects/UOContent.Tests/Tests/Utilities/TryParseTests.cs
@@ -45,3 +45,38 @@ public class TryParseTests
         }
     }
 }
+
+// Interface-typed properties (BaseCreature.TargetLocation : IPoint2D) have no static Parse, so
+// without these branches the parser fell through to Convert.ChangeType and reported the value as
+// "not properly formatted".
+public class InterfacePointParseTests
+{
+    [Theory]
+    [InlineData(typeof(IPoint3D), "(1, 2, 3)", 1, 2, 3)]
+    [InlineData(typeof(IPoint2D), "(1, 2, 3)", 1, 2, 3)]  // a 3-tuple is a valid IPoint2D
+    public void TuplesParseIntoPoint3D(Type type, string value, int x, int y, int z)
+    {
+        Assert.Null(Server.Types.TryParse(type, value, out var constructed));
+        Assert.Equal(new Point3D(x, y, z), constructed);
+    }
+
+    [Fact]
+    public void PairParsesIntoPoint2D()
+    {
+        Assert.Null(Server.Types.TryParse(typeof(IPoint2D), "(4, 5)", out var constructed));
+        Assert.Equal(new Point2D(4, 5), constructed);
+    }
+
+    [Fact]
+    public void PairIsNotAPoint3D()
+    {
+        Assert.NotNull(Server.Types.TryParse(typeof(IPoint3D), "(4, 5)", out _));
+    }
+
+    [Fact]
+    public void NullSentinelClearsAnInterfaceProperty()
+    {
+        Assert.Null(Server.Types.TryParse(typeof(IPoint2D), "(-null-)", out var constructed));
+        Assert.Null(constructed);
+    }
+}
diff --git a/Projects/UOContent/Gumps/Props/PropsGump.cs b/Projects/UOContent/Gumps/Props/PropsGump.cs
index 00fd2557d..e24b2f571 100644
--- a/Projects/UOContent/Gumps/Props/PropsGump.cs
+++ b/Projects/UOContent/Gumps/Props/PropsGump.cs
@@ -224,11 +224,13 @@ namespace Server.Gumps
                         {
                             from.Target = new SetObjectTarget(prop, from, m_Object, type, this);
                         }
-                        else if (IsType(type, OfPoint3D))
+                        // A null interface-typed value (TargetLocation : IPoint2D) routes on the
+                        // declared type; a held entity was already caught above.
+                        else if (IsType(type, OfPoint3D) || type == OfIPoint3D)
                         {
                             from.SendGump(new SetPoint3DGump(prop, from, m_Object, this));
                         }
-                        else if (IsType(type, OfPoint2D))
+                        else if (IsType(type, OfPoint2D) || type == OfIPoint2D)
                         {
                             from.SendGump(new SetPoint2DGump(prop, from, m_Object, this));
                         }
diff --git a/Projects/UOContent/Gumps/Props/SetPoint2DGump.cs b/Projects/UOContent/Gumps/Props/SetPoint2DGump.cs
index 35fd70103..5007bef22 100644
--- a/Projects/UOContent/Gumps/Props/SetPoint2DGump.cs
+++ b/Projects/UOContent/Gumps/Props/SetPoint2DGump.cs
@@ -26,7 +26,7 @@ namespace Server.Gumps
             m_Mobile = mobile;
             m_Object = o;
 
-            var p = (Point2D)(prop?.GetValue(o, null) ?? new Point2D());
+            var p = prop?.GetValue(o, null) is IPoint2D current ? new Point2D(current) : new Point2D();
 
             AddPage(0);
 
diff --git a/Projects/UOContent/Gumps/Props/SetPoint3DGump.cs b/Projects/UOContent/Gumps/Props/SetPoint3DGump.cs
index b0707bc3d..911f01a86 100644
--- a/Projects/UOContent/Gumps/Props/SetPoint3DGump.cs
+++ b/Projects/UOContent/Gumps/Props/SetPoint3DGump.cs
@@ -27,7 +27,7 @@ namespace Server.Gumps
             m_Mobile = mobile;
             m_Object = o;
 
-            var p = (Point3D)(prop?.GetValue(o, null) ?? new Point3D());
+            var p = prop?.GetValue(o, null) is IPoint3D current ? new Point3D(current) : new Point3D();
 
             AddPage(0);
 
diff --git a/Projects/UOContent/Utilities/Types.cs b/Projects/UOContent/Utilities/Types.cs
index 184773e84..b77511e96 100644
--- a/Projects/UOContent/Utilities/Types.cs
+++ b/Projects/UOContent/Utilities/Types.cs
@@ -33,6 +33,8 @@ namespace Server
         public static readonly Type OfTimeSpan = typeof(TimeSpan);
         public static readonly Type OfPoint3D = typeof(Point3D);
         public static readonly Type OfPoint2D = typeof(Point2D);
+        public static readonly Type OfIPoint3D = typeof(IPoint3D);
+        public static readonly Type OfIPoint2D = typeof(IPoint2D);
         public static readonly Type OfEnum = typeof(Enum);
         public static readonly Type OfType = typeof(Type);
 
@@ -278,6 +280,23 @@ namespace Server
                 return null;
             }
 
+            if (type == OfIPoint3D || type == OfIPoint2D)
+            {
+                if (Point3D.TryParse(value, null, out var p3))
+                {
+                    constructed = p3;
+                    return null;
+                }
+
+                if (type == OfIPoint2D && Point2D.TryParse(value, null, out var p2))
+                {
+                    constructed = p2;
+                    return null;
+                }
+
+                return "That is not properly formatted.";
+            }
+
             if (IsType(type, OfBool))
             {
                 if (bool.TryParse(value, out var parsed))