Until shortly after The Great War, H & D Folsom Arms Co., owner of Crescent Fire Arms Co., had the guns they marketed marked American Gun Co.
H & D Folsom Arms Co. Catalog No. 11 --
Catalog No. 11 Small Bore Double Barrel Guns.jpeg
H & D Folsom Arms Co. Catalog No. 18 --
Catalog No. 18 Small Bore Double Barrel Guns.jpg
H & D Folsom Co. Catalog No. 23 --
Catalog No. 23.jpeg