I have a Cogswell & Harrison 12-bore Cosmos for sale.
The Fosbery patent rifled chokes are still intact and the gun is in a very good shape with a lot of case colour hardening left.

Barrels 27 1/2 inch
Chambers 2 3/4 inch
Stocklength 14 1/2 inch
Case Original leather case in good shape

Price USD 5500

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