ANOTHER, with twist sighted barrels and copper-lined vents, engraved tang, signed flat bevelled locks with rollers, figured walnut half-stock with integral trigger-guard, the butt with lightly carved cheek-piece and with a scallop shell in relief behind the chequered grip, and a carved S behind the barrel tang, and engraved steel trigger-guard finial, heel-plate, toe-plate and ramrod tail-pipe (ramrod and sling mounts missing), by Pierre Greverath à Dyck, early 19th Century