WW2 Dated British & American 20mm Ammunition Shell Casing Date:K 1941 20mm 92×57 Mauser military cartridge dated

92×57 Mauser military cartridge dated 1938 and manufactured by Polte Armaturen- und Maschinenfabrik AG

The inscription "CROWN·1935·JUBILEE·CROWN" surrounds the central design

512 venting pathways

The Type D stereoscope was known for its robust construction and precision optics

WW2 Dated British & American 20mm Ammunition Shell Casing Date:K 1941 20mm 92×57 Mauser military cartridge datedThis authentic World War II dated British and American 20mm ammunition shell casing is a significant artifact for collectors and military enthusiasts. Originally designed for the 20mm Oerlikon gun and other 20mm automatic cannons, these casings were widely used by both British and American forces during the war. The 20mm Oerlikon gun, a highly effective anti aircraft and ship defense weapon, played a crucial role in the air and naval battles of WWII.