Manufactured from 1859 to 1862 this is a First Model with the button head type cylinder pin secured by a screw entering the underside of the frame. The cylinder has the dog chasing rabbit scene. The left barrel flat has the two line address/patent date marking. Grips, barrel, cylinder pin screw, cylinder pin and cylinder are numbered to gun.

This is an example of standard model sidehammer pocket revolver as manufactured from 1858 to 1861 with an estimated 750-1,000 produced. The left barrel flat is stamped with the two line address/patent dates (ending in 1858) marking. It has the standard model loading lever catch located at the back of the trigger guard. The cylinder has the forest scene engraving. Smooth grips with the right panel numbered to the gun.