See also badges of the same design https://asiamedals.info/threads/greater-japan-civil-defense-association-saitama-branch-special-merit-badge.26929/ ; https://asiamedals.info/threads/saitama-prefecture-keibodan-badge.24748/
Bakelite.
Width 32 mm.
Obverse
埼 for 埼玉県 - Saitama Prefecture...
Late-war badge made in bakelite. See early metal-made badge of Shinobi police station https://asiamedals.info/threads/greater-japan-civil-defense-association-saitama-branch-special-merit-badge.24959/ and https://asiamedals.info/threads/saitama-prefecture-keibodan-badge.24748/. Another late-war...
imperial japan civil defense cap
imperial japan civil defense corps
imperial japan civil defense helmet
japanese civil defense cap
japanese civil defense helmet
keibōdan
keibodan cap
keibodan cap badge
keibodan helmet
keibodan helmet badge
keibodan insignia
keibodan uniform
警防團
警防團帽章
警防團章
Early badge made in metal. Badge class is unidentifiable without original case.
Late-war badges of the same design https://asiamedals.info/threads/greater-japan-civil-defense-association-saitama-branch-special-merit-badge.26929/ ...
award badge from keibodan leader
greater japan civil defense association badge
imperial japan civil defense corps
keibōdan
keibodan award badge
keibodan badge
表彰章
警防団章
警防團章
警防團長表彰章