hi dave
yes thats intresting to know but so far i never seen any japanese navy ammo marked there was another japanese pistol called type 94 semi auto not a safe pistol when its loaded and acidently droped on its side it is known to go off just as dangerious as the 1930 italian gesenti that resembles the german luger only difference the gesenti has a straight blow back where the german luger has a togle i will have a nice type 94 at the max with holster inside of holster is marked by u.s. soldier inside of lether flap RAT thats what they were called RATS or WEISELS unmercefull if captured by them thats for sure ok history lesson over thanks my pleasure god bless andy militarynut