U.S.N. MK1 Fighting Knife. The US Navy Fighting Knife is nicely maker marked by 'Pal RH-35'. The Scabberd is complete with its internal frog, the scabberd is marked with NORD-8114 (Navy Bureau of Ordnance) indicating production between July 1944 and April 1945. The blade is showing traces of usage. Nice original fighting knife in good used condition!