Equipment, 50mm shell cases, 1942/1943
Artillery shell cases, fuzes, primers and tubes. – Stephen Taylor, WW2 Relic Hunter
Trench Art from WW2 75 mm Artillery and .50 caliber MG Shells [D-1O22C-0] - $20.00 : Soldiers Museum:, Buy/Sell/Trade Historical Militaria
50 Caliber WWII shell casing found on the beach in NC. Made 1943 in St. Louis per the stamp. Wonder how it made it there? : r/metaldetecting
Near the banks of the Mississippi River, close to New Orleans, Louisiana; circa 1900 (colored) (idk why there's no sound sorry) : r/RedDeadOnline
Not the kind of shells you expect to find on the beach
WWII shell casings found in Surfside Beach after Hurricane Florence
File:Bomb damage to USS Marblehead (CL-12) following the Battle of Makassar Strait, February 1942 (80-G-237439).jpg - Wikipedia
In WW2, how were spent shell cases on warships disposed of? - Quora