A rare 4 barrel percussion turn-over overcoat pistol by Lang, 7 Hay Market, London, circa 1850. .37 bore, 3 inch Damascus barrels, 8 inches overall. Finely engraved walnut grip with cap container in butt cap. The crisply engraved action with slide safety catches still retains some its original case hardening and some blueing remaining to the engraved trigger guard. Shows a small amount of ware, but overall in very good condition.