Commonly referred to as the New Model or 2nd issue 1-1/2 and manufactured between 1868 to 1875 with a total production of around 100,700. Blade front and notch rear sights, with the barrel rib marked "SMITH & WESSON. SPRINGFIELD. MASS./PAT'D. APR. 3. 1855. & JULY 5. 1859." and matching "ZZ 1" assembly numbers on the barrel, cylinder and right toe under the grip. In addition, the sides of the barrel and frame are nicely decorated with floral scroll and punch dot engraving with scallop border around the address, a scallop band around the muzzle and breech, and above and below the cylinder on the frame. Fitted with ivory grips with relief carved "MDH" monogram on the left panel. Complete in a period wooden case with green felt lining, a compartment with a lid, compartment with a nickel oiler and 35 round cartridge block with 35 original cartridges with "U" head stamp.