WW1-era trophy made from an artillery shell : r/mildlyinteresting

Does anyone know what exactly this is? Assumed to be some kind of artillery shell from WWI : r/wwi

World War I era 37 mm Artillery Shell – The War Store and More – Military Antiques & Firearms, LLC

What is the most common type of shell fired by artillery in World War I? - Quora

WW1 Dummy Training Artillery Shell, War Memorabilia, Army, Man Cave Decor

WW1 Dummy Training Artillery Shell, War Memorabilia, Army, Man Cave Decor

Came across my grandpa's Purple Heart from WWII today : r/mildlyinteresting

Project Grizzly (BM) (1100, UNKNOWN, 1995-96*) UTC-5: R (EST, Ontario

antique WWI 1915 trench art world war 1 brass artillery shell, 11 inch tall vase

This gear from a WWII Navy battleship gearbox is enormous. My hand for scale : r/mildlyinteresting

World War I era Artillery Shell Cone / Head – The War Store and More – Military Antiques & Firearms, LLC

The Munitionette's First Heavy Shell. The Struggle to produce Munitions 1915 to 1918 by John Hughes-Wilson

18-Pounder Artillery Shells: The Great War Recycled and Re-Circulated, shell shock meaning