Only an estimated 1,376 Trapdoor 20 gauge "forager" shotguns were manufactured in the early 1880s and serial numbered 1-1376. They were designed for 20 gauge brass shotgun shells and were used by hunters and scouts primarily at western outposts in the late 19th century. Some were even used into the very early 20th century, primarily in Alaska. It has standard markings including "1881" dated breech block, "1873" dated lock, the correct two-click tumbler, special extractor, and carbine buttplate and trigger guard. "GDM", George D. Moller collection marking, discreetly at the toe. Provenance: The George Moller Collection