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...
See also https://asiamedals.info/threads/greater-japan-civil-defense-association-saitama-branch-special-merit-badge.26929/
Keibodan badge with similar design https://asiamedals.info/threads/omiya-police-station-keibodan-union-merit-badge.28549/
Size 34.6 x 46.3 mm.
Obverse
功勞 - Merit...
greater japan civil defense association
greater japan civil defense association badge
greater japan civil defense award badge
greater japan civil defense merit badge
keibōdan
keibodan award badge
keibodan badge
saitama branch special merit badge
special merit badge
大日本警防協會特別功勞章
大日本警防協會章
特別功勞章
財團法人大日本警防協會
財團法人大日本警防協會埼玉支部忍警察署分會特別功勞章
greater japan civil defense association badge
greater japan keibodan association merit badge
imperial japan civil defense corps
keibōdan
keibodan award badge
keibodan yamagata prefecture branch merit badge
toyo medal works
功勞章
大日本警防協會功勞章
山形県支部大日本警防協会特別功勞章
山形県支部大日本警防協會功勞章
東洋徽章製作所
特別功勞章