Cordite - Wikipedia
Can anyone identify this shell casing? (More info in comments) : r/TankPorn
Large calibre markings (The Western Front Museum)
Large calibre markings (The Western Front Museum)
7.92×33mm Kurz - Wikipedia
military - Can anyone tell me anything about the markings on these shell casings? - History Stack Exchange
Huge 105mm casing, cant make sense of the markings. : r
military - Can anyone tell me anything about the markings on these shell casings? - History Stack Exchange
Cartridge case terminology and identification – Stephen Taylor
76 mm gun M1 - Wikipedia
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