Picked up an old shotgun from my brother today in NWA that my late Great-Uncle Billy had owned. I trying to figure out how old it is. It's a single shot and seems to be a 12 gauge (a 12 gauge shell fits).

The shotgun has J. Stevens Arms and Tool Co, Chicopee Falls, Mass, USA on the left side, Patented August 12, 1913 on top, and Trade Mark Stevens, Reg US Pat Off & FGN on the right side. I took the front stock off and found 4780H stamped in the wood.

Fifteen minutes of research seems to indicate it was manufactured after 1913 and before 1942, possibly before 1915.

Any help would be appreciated...

Thanks!

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Barry, youngest son of Claud