diff --git a/PKHeX.Core/Items/ItemStorage9ZA.cs b/PKHeX.Core/Items/ItemStorage9ZA.cs
index 700ae7914..3e21e7990 100644
--- a/PKHeX.Core/Items/ItemStorage9ZA.cs
+++ b/PKHeX.Core/Items/ItemStorage9ZA.cs
@@ -34,8 +34,9 @@ public sealed class ItemStorage9ZA : IItemStorage
         0710, 0711, 0795, 0796, 0849, 1124, 1125, 1126, 1127, 1128,
         1231, 1232, 1233, 1234, 1235, 1236, 1237, 1238, 1239, 1240,
         1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250,
-        1251, 1582, 1592, 1691, 1861, 2137, 2344, 2401, 2558, 2618,
+        1251, 1582, 1592, 1691, 1861,       2344, 2401, 2558, 2618,
 
+        2137, // Gimmighoul Coin cannot be held.
         2619, // Colorful Screw cannot be held.
     ];
 
@@ -157,7 +158,7 @@ public sealed class ItemStorage9ZA : IItemStorage
         _ => throw new ArgumentOutOfRangeException(nameof(type)),
     };
 
-    public static ushort[] GetAllHeld() => [..Medicine, ..Balls, ..Berry, ..MegaStones, ..Treasure, ..Other[..^1]]; // Exclude Colorful Screw
+    public static ushort[] GetAllHeld() => [..Medicine, ..Balls, ..Berry, ..MegaStones, ..Treasure, ..Other[..^2]]; // Exclude Colorful Screw and Gimmighoul Coin
 
     public static InventoryType GetInventoryPouch(ushort itemIndex)
     {