A Colt 1851 Navy Percussion Cap 36 Calibre Six Shot Revolver, the 18.5cm octagonal steel barrel stamped ADDRESS COL.SAMl. COLT NEW-YORK U.S.AMERICA, with under-lever rammer, the cylinder bearing traces of an engraved sea battle and faintly stamped Colts Patent No.280, the left side of the frame stamped Colts Patent, with brass trigger guard and back strap, all metal parts numbered 213280, with two piece walnut grip scales