French muzzle-loading percussion cavalry pistol

St. Etienne French Model 1922 muzzleloading percussion cavalry pistol. It has a 7.75 inch barrel, brass fittings, and regulation brass mounts, steel lock, ramrod and barrel, and the pistol grip with a lanyard ring. Very good condition, although two screws are missing at the base of the grip (one top, one bottom).

Unknown.