Depends on where you are, and what you are doing (and your age)
10-100 USD or so
Blue Book of Gun Values
No way to give you an exact answer,due to no records. American Gun was owned by H&D Folsom Arms Co., 314 Broadway, New York City, from about 1893 to 1930. They made a lot of very low priced shotguns for H&D Folsom to market under the American Gun Co. and the Crescent Fire Arms Co. names.
Manufactured by Meriden Fire Arms Co, 1905-1915, for Sears Roebuck & Co.
GREEN BUG, BRIDGE GUN CO. Crescent Fire Arms Co or J. Stevens Arms & Tool Co made these for Shapleigh Hardware Co of St Louis. Shapleigh dates from 1868 (to the mid 1960's I think), Crescent from 1893 to 1930, and Stevens A&T from 1886 to 1915.
Toledo fire arms is an old company that trades in Antique Firearms, hand guns, rifles, shotguns. They also trade in ammo, gun parts, gun safes, holsters, magazines, optics, reloading etc.
the answer is co ed
The Bridge Gun co. shotguns were made by the Crescent Fire Arms Company. You can try for parts at: Numrich gunpartscorp.com Jack First jackfirstgun.com Bob's Gun Shop gun-parts.com
You'll probably have to find a gunsmith who can make your parts. Shotguns marked Baker Gun Co were made in Belgium or by Crescent Fire Arms, Meriden, CT, for H & D Folsom in the early 20th Century.
Made by Crescent Fire Arms Co, 1893-1932. Worth $150-$250 depending on condition.
Palmetto shot guns were made by Crescent Fire Arms Co. Crescent made firearms for many different companies and gun outlets. Crescent made a decent gun...............
The last shot gun made by Midland Gun Co. was in the late 1950s. I got this answer from.....enquiries@bwildandson.co.uk