Northwest Trade Gun Flint Converted to Percussion, Locked stamped with Tombstone Setting Fox over (IA) is American Fur Co. Mark, Tail of lock is stamped W. Chance & Son 40in Oct to Rd Barrel Barrel stamped Birmingham Proof Marks, Stock Stamped with Fox in circle on right hand side (wood stamp is rare) Serpent Side Plate 2 screw Butt Plate came from Rockford, Ill.