Badge with a similar design https://asiamedals.info/threads/1934-kinki-air-defense-maneuvers-kite-design-participation-sommemorative-badges.24118/
Obverse
参加章 - Participation Badge
inside the emblem
集 for 集英 - Shūei
reverse
昭和十二年度 - 1937
集英防護分團 - Shūei [gathering of talented...
1937 air raid defense corps participation badge
air defense
air defense maneuvers badge
japanese air defense badge
japanese badge
昭和十二年度集英防護分團参加章
防護分團参加章