.45 Cal. 2.5" barrel length. SN: NSN. Gray to brown patina mounting one piece walnut bag shaped grips, cannon barrel, and light border engraving to the frame and rear barrel. Single shot boxlock flintlock turn-off pistol with matching assembly number 1 to the barrel and lower frame, in addition to London firing proofs. Item features a smooth bore. Left frame is engraved LONDON in a banner with the right marked TWIGG. John Twigg worked in London as a gunmaker circa 1755 to 1790. {ANTIQUE}