1933 Kanto Air Defense Maneuvers Shitaya Ward Air Raid Defense Corps Commemorative Badge/昭和八年関東防空演習下谷区防護団記念章

Badge with a similar design https://asiamedals.info/threads/imperial-capital-air-raid-defense-badge.23261/

関東防空演習記念 - Kanto Air Defense Maneuvers Commemorative

下谷区防護団 - Shitaya Ward Air Raid Defense Corps

昭和八年 - 1933