.48 Cal. 3.75" brass barrel. SN: NSN. Brass barrel with iron parts finished in the white, mounting a bag shaped one piece walnut grips, safety catch, and snap bayonet. Single shot turn-off flintlock pistol. Item shows Birmingham proof marks to lower frame. Triggerguard is engraved with a sunburst, while frame flanks show banners with I/HILL maker to left side and LONDON on the right. {ANTIQUE}