This is an original Civil War M1855 socket bayonet issued to fit the US Percussion Model 1855 Springfield Rifle, as well as the M1861 and M1863 rifled-muskets. Blade surfaces are exceptional with minor age spots. Strong “U.S.” stamp on flat of blade. This was an exceptionally well maintained bayonet by its owner. Blade measures 18″, overall length 20-3/4″.