1937 Shūei Air Raid Defense Corps Participation Badge/昭和十二年度集英防護分團参加章

Badge with a similar design https://asiamedals.info/threads/193...ign-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 people] Air Raid Defense Corps

 

Another example.

 

Somebody decided to attach his badge to the belt buckle. Design is the same but emblem under eagle is different.