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
Obverse
功績 - Meritorious Service
in the center of Keibodan emblem
協 /Kyō/ - to cooperate; to work together; to collaborate from 協會 /Kyōkai/ - Association
reverse
財團法人 - Foundation
大日本警防協會 - Dai Nippon [Greater Japan] Keibō Kyōkai [Civil Defense Association]
Original case.
功績章 -...