Badge with a similar design https://asiamedals.info/threads/1933-kanto-air-defense-maneuvers-shitaya-ward-air-raid-defense-corps-commemorative-badge.24805/
Badge in mint condition.
Obverse
帝都 - Imperial Capital (i.e. Tokyo)
防護 - Air Raid Defense/Protection
Well-worn specimens.
air defense maneuvers badges
imperial capital air raid defense badge
imperial japan air defense badge
imperial japan air defense badges
japanese air defense badge
japanese badge
tokyo air defense badge
帝都防護章
