A BRASS-BARRELLED FLINTLOCK BLUNDERBUSS with four-stage barrel turned and belled at the muzzle, engraved breech and tang, signed border engraved rounded lock (cock replaced), figured walnut full stock (fore-end with minor repair), brass mounts decorated with rococo ornament including solid side-plate and vacant escutcheon, engraved trigger-guard with acorn finial, and brass-tipped wooden ramrod (ramrod-pipes slightly damaged), by Barbar, London, Tower private proof marks, late 18th Century