AN UNUSUAL D.B. FLINTLOCK COACHING CARBINE with twist iron barrels fitted with a spring bayonet above (detached), engraved tang with bayonet release, signed flat bevelled bolted locks (one cock and one top jaw and screw missing) with rollers, figured walnut half-stock, chequered grip, engraved brass mounts including butt-plate and trigger-guard with pineapple finial, and later wooden ramrod, by Williams, circa 1800