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 crisp in most areas with some nicks at the tip of the blade. Metal exhibits a dark chocolate patina with pitting, demonstrating that this bayonet went through plenty of war-time use. Crisp “U.S.” stamp present on flat of blade. Blade measures 17-7/8″, fuller measures 16″, overall length 20-7/8″.