Two 4.5'' shell casings.
SHELL CASINGS – Artillery Works Co
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Royal Navy 4.5 Inch Shell Case #2 - Sally Antiques
Artillery shell cases, fuzes, primers and tubes. – Stephen Taylor, WW2 Relic Hunter
TG,LLC Treasure Gurus Gun Bullet Shell Casings Shaped Rare Model Air Force Jet Airplane Military Gift : Home & Kitchen
4.5 INCH BRITISH NAVAL SHELL CASE AND PRIMER INERT. (Auction ID: 1341106, End Time : 09 Jun. 2009 17:49:02)
4.5 inch Howitzer Shell Case Markings - Other Equipment - The Great War (1914-1918) Forum
SHELL CASINGS – Artillery Works Co
Artillery Shell Casing - Canada