Improved design of the original Model 3, Smith & Wesson's first top break, automatic ejection revolver. Top of barrel rib is marked with the two one line address. Matching serial number on the butt, cylinder, barrel, and barrel catch. Six shot fluted cylinder with nickel plated, possibly replaced automatic ejector. Casehardened trigger guard and hammer. Fitted with black checkered grips with the intertwined "SW" at the top of each. The barrel has possibly been cut down to 5", but writer does not have factory letter to verify length.