Flintlock bayonet marine trombone. Round barrel with thunderbolt engraved " " London. Lock signed "Wheeler" and flat-bodied hammer (formerly changed). Launching bayonet on top of barrel released at breech. Roller spring. Brass fittings engraved with floral trophies. Walnut stock (chip on front of barrel). Missing ramrod. Length : 69 cm Circa 1800. A.B.E.