: On the flat internal surface of the receiver where the barrels rest. Helpful Resources for Identification
was a trade brand used by the H. & D. Folsom Arms Company (later acquired by Crescent Firearms Company ). Bay State shotguns were not manufactured by a single, distinct factory under that name. Instead, they were produced by Crescent Firearms (Norwich, CT) and sold as a "house brand" through hardware distributors like Belknap Hardware (Louisville, KY) and Hibbard, Spencer, Bartlett & Co. (Chicago). bay state shotgun serial number lookup