This is an original Civil War socket Bayonet for the Springfield or Contractor .58 Caliber Musket. It has a deep clear U.S. marking. The bayonet is full length at 20-7/8″. It has the original fully functioning locking ring. The blade surfaces are crisp with no nicks along the entire length of the blade. Metal exhibits a pleasing gun metal gray patina with no pitting.This is in excellent condition and will be a great addition to your Civil War collection.