A scarce and visually impressive pre-war / early WWII American Armament Corporation 37mm Anti-Aircraft Gun M2 shell case with unusual contractor markings and Winchester subcontract detail, representing an uncommon piece of experimental American ordnance history.
Large Cold War era Belgian 90mm Cockerill Mk III gun cartridge case, dated 1984, with clear headstamp and loading markings, an impressive armoured vehicle ammunition display piece.