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10 Gauge Pinfire Cartridge

Size: 10 Gauge
Headstamp: C.D.LEET [over] 10 [over] SPRINGFIELD,MASS
Manufacturer: C. D. Leet - Springfield, Massachusetts, United States
Additional Info: The case is a hardened orange paper and both the base and pin are brass. The headstamp says: .C.D.LEET, SPRINGFIELD.MASS around the edge with a 10 in the middle. The 10 is raised further than the rest of the headstamp.
picture of C. D. Leet pinfire cartridge
Picture of C. D. Leet headstamp