Navy Knife This is a nice Pal RH-35 USN Mark I knife with grey USN MK1 scabbard in new condition. This knife and scabbard are illustrated on pg. 103 of Best Cole book. Overall length is a hair over 10" and the 5 1/4" Blade is in new condition. This knife still has cosmoline on it and probably was never issued. Sheath is marked USN MK1 on the front of the throat and Nord - 8114 B.M. Co 1 over 7 VP with grey body and OD belt loop.