See also https://asiamedals.info/threads/minami-yahataya-air-raid-defense-corps-participation-badge.28910/
Obverse
Emblem of Osaka City Air Raid Defense Corps https://asiamedals.info/threads/osaka-city-air-raid-defense-corps-badges.23260/
南八幡屋 - Minami Yahataya /Osaka/
防護分團 - [Air Raid]...
1934 kinki air defense maneuvers badge
1934年南八幡屋防護分團近畿防空演習参加章
japanese air defense badge
japanese air defense maneuvers badge
minami yahataya air raid defense corps badge
防空演習参加章