J46. For Old Japan Self Defense Army Pump Key
I got this key from Urawa US trade (Japan) . This key had Disposed from government ( in Hokkaido). Used in Old Japan Self Defense Army. It is impossible to obtain even if in Japan. Brown bake base and has wooden frame, nickel plating brass mechanism. It was engraved Japanese Kanji Character on short circuit frame. Approx '50 to '60. This key was designed based on Japanese Traditional Type 247. They were used to produced 1920～1950.