日本橋區防護團第一分團連合防空演習参加章

Badge with a similar design elements https://asiamedals.info/threads/1935-three-city-union-air-defense-maneuvers-commemorative-badge.24819/ 1st variation in base metal. Obverse 奮勵努力 - Making Strenuous Efforts; Exerting Oneself 第二分團 - 2nd Branch reverse 昭和十一年七月盛夏 - July 1936, Midsummer...