A RARE GERMAN COMBINED FLINTLOCK AND AIR RIFLE with octagonal barrel (some pitting) rifled with six grooves, silver fore-sight, and unusual graduated sliding back-sight engraved with foliage, engraved false tang with fleur-de-lys finial, signed flat bevelled lock (top jaw missing, screw incomplete), the pan with winged screw-in touch-hole plug, artificially figured walnut full stock with detachable butt (old repair) with cheek-piece and containing the reservoir, carved with scrolling foliage, foliate engraved brass mounts including dividing trigger-guard with locking pin, solid side-plate and butt-plate, horn fore-end cap, and brass-tipped ramrod, by Köpp A Neus, circa 1725