U.S.N. MK2 Fighting Knife. The US Navy Fighting Knife is nicely maker marked by the company of 'RCC' (Robeson Cutlery Co.). The Scabberd is complete with its internal frog, the scabberd is marked with NORD-6581 (Navy Bureau of Ordnance) indicating production between July 1944 and February 1945. The blade is in very good condition. Nice original fighting knife in very good, near mint, condition!