Were the howitzer, about 100mm brass shell cases from WW1, reused

Militaria & Trench Art

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Shell International Encyclopedia of the First World War (WW1)

World War 1 Allied and Axis artillery Shells also shell cases,Trench Art and fuses-projectiles

Can a Pepsi can be fired from a 200 mm howitzer without any extra protection around the can? - Quora

Artillery National WWI Museum and Memorial

Original U.S. WWII M102 Howitzer 105mm Artillery Shell with Vietnam Er – International Military Antiques

Shell Cases Archives - Sally Antiques

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