.58 caliber. 40" barrel secured by three flat, spring-retained barrel bands. NSN. Bright finish, iron furniture, walnut stock. Single shot percussion muzzleloading rifle musket with M1861 three-leaf rear sight, Barleycorn combination front sight and socket bayonet lug, sling swivel and a tulip head, swelled shank ramrod. Lock marked with a {Spread-Winged Eagle} and U.S./TRENTON forward of the hammer and dated 1864 at the tail. Breech with matching 1864 date and standard V/P/{Eagle Head} proof marks. Counterpane stamped vertically in small letters A.M. BURT and with two script cartouches that are not fully legible, with one possibly being the TAB of Theodore A. Belknap an arsenal sub-inspector of contract arms. The initials TD are carved upside down in the obverse stock of the gun. {ANTIQUE}