A Colt Model 1851 Navy Revolver

dating: Third quarter of the 19th Century provenance: USA, Octagonal, rifled, 36 cal barrel provided with foresight, with mark 'ADDRESS COL. SAM.L COLT NEW-YORK U.S. AMERICA'. Visible groove, pitting at the inside. Serial number '135xxx'. Smooth, six-shot cylinder with remains of a Navy battle scene and marked 'Colt's Patent No.' and with coeval serial number. Working mechanisms, the cylinder with some play. Non-pertinent screw at the locking mechanism, the locking mechanism with coeval serial number. Brass rigger-guard and grip with coeval serial number. The frame with remains of 'COLTS PATENT' and coeval serial number. Ivory grip with handcrafted engraving and small restorations. The cartridge rammer numbered en suite. length 32,5 cm.