air training command badge

1st variant of obverse. 2nd variant. Reverse 航空教育集団- Air Training Command https://ja.wikipedia.org/wiki/%E8%88%AA%E7%A9%BA%E6%95%99%E8%82%B2%E9%9B%86%E5%9B%A3 Another example. Original case. Additional column 海上自衛隊 - Maritime Self-Defense Force Badges were manufactured by...