The mortar I found 75mm HE shell from WW2 identified as the round

75 mm Shells by Midway2009 on DeviantArt

HELP ME ID THIS PLEASE!

Original U.S. WWII Deactivated 81mm M56 HE Mortar Shell Round - Inert – International Military Antiques

Shrapnel shell - Wikipedia

i.static.com/7823706/r/il/b13953/3621261043/il

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Lot 50 - Munitions. Inert rounds including a German

CAT-UXO - 75mm type 52 projectile

WW2 British 2Pdr Projectile - MJL Militaria

Ordnance QF 75 mm - Wikipedia

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Are these dangerous? WW2 era unfired bullets in multiple calibers. The big ones are .50 caliber. : r/metaldetecting