A RARE COLLIER PATENT FIVE-SHOT PERCUSSION REVOLVER with shortened octagonal browned twist sighted barrel (ramrod-pipes and rib replaced), fluted hand-rotated cylinder with deeply cusped sleeve at the rear and iron flash shield at the front, border engraved back-action lock and hammer, walnut butt (replaced) inlaid with an oblong silver panel opposite the lock, and border engraved iron trigger-guard, circa 1830