Manufactured from 1872 to 1874. This is one of approximately 3,014 No. 3 American 2nd Models chambered in the highly prized .44 Henry rimfire cartridge. Of the 3,014 produced, only 2,157 lack a notched hammer like this example. Overall this is a very rare variation of the No. 3 American in fine condition. It also has the one-line address/patent dates marking on the barrel rib, standard sights, and provision for a lanyard ring (filler screw) on the butt. The right grip panel is numbered to the gun. Matching assembly numbers are found on the grip frame, cylinder, barrel, and barrel latch. Many rimfire chambered Americans went to Mexico through the S&W distributor Wexell & Degress where they saw hard use. Fine condition examples like this revolver are rarely encountered.