1st type of the badge was introduced on April 25, 1932.
Original description and line drawings.
1st variation.
Obverse
軍事功労章 - military affairs merit badge
Original case.
imperial japan military badge
japanese military affairs merit badge
japanese navy badge
military affairs merit badge
功労章
海軍功労章
海軍省
海軍省功労章
海軍省章
海軍省軍事功労章
海軍章
純銀製
軍事功労章