A WHEEL-LOCK TSCHINKE with octagonal sighted barrel rifled with six grooves, boldly swamped at the muzzle, and stamped on the breech with maker's mark IP, finely engraved lock with external mechanism with applied finely engraved brass plate on the mainspring, cock-spring and wheel-retaining bracket, stained full stock (repaired) inlaid with engraved staghorn panels interspersed with mother-of-pearl insets, horn butt-plate, indented iron trigger-guard, pierced and engraved brass ramrod-brackets, engraved staghorn fore-end cap, and later horn-tipped ramrod, the patch-box cover overlaid with engraved staghorn, third quarter of the 17th Century