Model 1858 marine revolver, converted "T" centerfire, six-shot, 12 mm caliber, double action. Round, thunder-headed barrel, stamped "B" and "D", dated "MI. S1859" Short crested checkered hound. Barrel, barrel, frame and stock plates stamped "454". S" stamp on frame and hammer. Round cap with anchor, screw-mounted. Iron fittings and ramrod with channel. Scratches present. Barrel length: 15.5 cm - Overall length: 30 cm A.B.E.