AN AUSTRIAN WHEEL-LOCK SPORTING RIFLE with signed swamped octagonal sighted barrel rifled with seven grooves and with brass-lined maker's mark at the breech (Neue Støckel 1214), the lock signed with initials KZ and engraved with crowned double-headed eagle on the wheel-cover, and with a marine monster on the cock and bridle to the cock-spring, lightly carved walnut full stock, iron trigger-guard, set trigger, dark horn butt-plate, side-nail washers and fore-end cap (ramrod-pipe missing), and horn-tipped ramrod, by Kilian Zellner of Vienna and Salzburg, late 17th Century