Springfield Trapdoor Bayonet,  Very good condition.  18" blue blade is in very good condition with some very light pitting on the flat end of the blade.  Marked U.S.  Blue scabbard has 90% finish with only light wear and is dent free.  Leather hangar with U.S. marking is in very good shape given the age.  The hangar has torn from the retaining pin that holds it in place.  Leather is marked. J.B. and Watervleit Arsenal.  Nice find to complete your Springfield.