A THORN PATENT .476 (C.F.) SINGLE-TRIGGER FOUR-BARRELLED PISTOL BY C. LANCASTER, No. 8014, single-trigger action with rotating firing-pin, sidelever-opening action with double top-bites, plain finish, chequered walnut-butt with file-cut backstrap and lanyard-loop, the hinged barrels with open-sights and German-silver foresight