1936年三市護合防空大演習参加記念章

Badges with similar design were commissioned by Shitaya Ward Air Raid Defense Corps https://asiamedals.info/threads/shitaya-ward-badges-for-participants-of-air-defense-maneuvers-in-kanto.23247/ Size 26 x 34 mm. Reverse 昭和十一年七月 - July, 1936 三市聯合防空大演習 - Three Cities Joint Air Defense...