.577 caliber. 26.75" barrel retained by two clamping barrel bands. SN: NSN. Blued finish, brass furniture, walnut stock. Lock marked with usual "{CROWN}" at tail without a VR underneath and "1862/TOWER" forward of hammer. Barrel with remnants of Birmingham commercial proof marks. Period shortened with barrel cut back slightly over 12" and smooth bored, stock cut back to just in front of the middle barrel band. Butt shortened slightly more than 1" as well with buttplate removed. Stock decorated with 8 brass tacks, 6 in a line along the bottom edge of the butt and 1 each at the front and rear of the lock mortise. Rear sight removed, front sight missing, missing sling swivels. Rear barrel band retained by a two old finishing nails. Consignor's notes indicate the gun was purchased from Mel Overweeg of Wagner, SD who acquired the gun on the Yankton Sioux Reservation.