U.S.N. MK2 Fighting Knife. The US Navy Fighting Knife is nicely maker marked by the company of 'Camillus, NY'. The Scabberd is complete with its internal frog, the scabberd is marked with NORD-4723 (Navy Bureau of Ordnance) indicating production between July 1944 and April 1945. There is one small rust spot on the tip of the blade. Nice original fighting knife in very good, near mint, condition!