12mm Pinfire Cartridge

Size: 12mm
Headstamp: blank
Manufacturer: A&W - Allen & Wheelock - Grafton, Massachusetts, United States
Additional Info: 3 tool marks on bottom, typical of Ethan Allen. "U.S. Length" used durring the Civil War by Ethan Allen, C.D. Leet and others based on Sharps patent which called for a metal plate in bottom of cartridge for strength.
picture of Allen & Wheelock pinfire cartridge
Picture of Allen & Wheelock headstamp