See also https://asiamedals.info/threads/1936-three-city-union-air-defense-maneuvers-yotsuya-ward-air-raid-defense-corps-participation-commemorative-badge.25185/ ; https://asiamedals.info/threads/1936-yotsuya-ward-air-defense-corps-sanko-town-branch-badge.26406/
Obverse
四谷區防空團 - Yotsuya...
Obverse
防空 - Air Defense
reverse
連合演習参加記念章 - Union Maneuvers Participation Commemorative
京橋区防護團第六團 - Kyobashi Ward Air Raid Defense Corps 6th Unit
昭和十年 - 1935
Reverse
昭和十年 - 1935
阪神防空演習参加記念 - Hanshin Air Defense Maneuvers Participation Commemorative
曽根崎防護分團 - Sonezaki Air Raid Defense [Corps] Branch
Case.
Made by Toyo Medal Works, Tokyo https://asiamedals.info/threads/badges-of-toyo-medal-works-tokyo.19125/