The swamped, octagonal, rifled barrel has the gold-inlaid maker’s name "MARCUS ZELLNER IN WIENN" just ahead of a large gold-inlaid arabesque panel. The breech tang is scroll engraved. It features a finely filed single-standing rear sight with single folding leaf, simple dove-tailed front sight surrounded by gold-inlaid scrolls, flat lock plate entirely decorated with engraved scrolls surrounding the inscribed maker’s name "Marcus Zellner/in Wienn", cock jaws decorated with shell-form scroll patterns, and walnut full-stock inlaid overall with silver-wire forming scrolls between large panels of high-relief carved foliated scrolls and numerous inset scroll decorated ormolu plates, ormolu trigger guard, ramrod pipes and forend tip. Marcus Zellner (Markus Zelner) was active c. 1693-1758, see "Der Neue Stockel" by Heer on page 1433. Includes a brief note signed by Wallace Gusler and dated April 22, 2016.