A COLT 1851 MODEL NAVY PERCUSSION REVOLVER, No. 35438 for 1855, with blued octagonal sighted barrel with London address, cylinder with naval engagement scene, case-hardened frame, iron trigger-guard and back-strap, varnished walnut grips, matching numbers throughout, and much of its original finish: in original lined and fitted mahogany case (lid lining and label replaced) with full accessories including Dixon Navy flask (worn), London proof marks