A RARE FOUR-BARREL PERCUSSION BOX-LOCK TURN-OVER PISTOL with case-hardened barrel block of one piece with four integral ribs, the top and bottom rib each signed in full, scroll engraved case-hardened action, case-hardened safety-catches, scroll engraved blued trigger-guard, chequered figured walnut butt, vacant silver escutcheon, blued butt-trap with hinged cover, blued ramrod and triggers, and nearly all its original finish: in original lined and fitted mahogany case (lock repaired and defective, minor damage to one partition) with accessories, the lid with trade label, by J. Lang, 7 Haymarket, London, circa 1840