New challenge!!!! shell casing type???

Ok folks, I have a challenge for you. What is this shell casing? A Friend of mine gave them to me. He got them (about 150) from his grandfather

New challenge!!!! shell casing type??? The International Association of Penturners

KUIDAMOS Game Console Cartridge Shell for NES,60Pin to 72Pin Game Cartridge Case Dust Cover Card Cartridge Box Replacement Protective Game Card Case Games Cartridge Holder (Red) - Yahoo Shopping

New challenge!!!! shell casing type??? The International Association of Penturners

▷ 3D printed set - Bullet Casings

Redmi k40 mobile phone case liquid silicone redmik40pro protective case all-inclusive anti-fall Xiaomi k40 game enhanced version soft shell Chinese style men and women new 5g creative por national trend shell

Transparent Shell Series for Steam Deck

Jump each casing with another (like checkers) and remove it. Again for liberals that might be reading this. this does NOT include any ammunition or

Spent Bullet Casing Cracker Barrel Style Peg Game

100% Brand new and quality assurance. Note:This repair part is only compatible for 3DS XL / 3DS LL version.The other versions are not compatible. Pack

New Replacement Front Back Faceplate Plates Upper & Back Battery Housing Shell Case Cover for 3DS XL/ 3DS LL Game Console - Custom Blue

Funny Playing Shell (With Text) for Game Boy Pocket — Retro Modding

Orzly Carry Case Compatible with Nintendo Switch and New Switch OLED Console - Black Protective Hard Portable Travel Carry Case Shell Pouch with Pockets for Accessories and Games

Shell Game by Sara Paretsky, Paperback