hi I've had this large brass shell casing for quite a while , obviously I

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just picked up this monster shell casing and I'm at a loss for what it's from. Diameter is 5.5 inches or just under 140mm but it has no markings on the base. : r/TankPorn

Militaria Large Brass Artillery Shell Casing

Britain increases artillery shell production 'eight-fold

Were the howitzer, about 100mm brass shell cases from WW1, reused or just wasted after having been first fired? - Quora

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Militaria Large Brass Artillery Shell Casing

Were the howitzer, about 100mm brass shell cases from WW1, reused or just wasted after having been first fired? - Quora

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4.5 Inch Brass Shell Case With Hand Crafted Ashtray Top* - Sally Antiques