Supporting Member Door Badge / see https://asiamedals.info/threads/dainippon-air-defense-association-supporting-member-badge.23259/ /
Size 115 x 30 mm.
財團法人 - Foundation
大日本防空協會賛助員會 - Dainippon Air Defense Association Supporting Member
Another example.
Size 115 x 28 mm.
dainippon air defense association door badge
dainippon air defense association door plaque
great japan air defense association
great japan air defense association badge
great japan air defense association door plaque
greater japan air defense association door badge
大日本防空協会プレート
大日本防空協会徽章
大日本防空協会表札
大日本防空協会賛助員会表札
大日本防空協會特別員會
大日本防空協會賛助員會
Badge size varies between 18 and 20 mm.
"Early" badges.
1st variation.
Reverse
賛助員會章 - Supporting Member of Association Badge
財團法人 - Foundation
大日本防空協會 - Dainippon Air Defense Association
Hot enamel + light metal alloy.
Original case.
Size 55 x 45 mm.
Another example of 1st...
dainippon air defense association
dainippon air defense association badge
great japan air defense association
great japan air defense association badge
greater japan air defense association badge
japanese air defense association badge
japanese air defense badge
japanese air defense maneuvers badge
supporting member badge
大日本防空協会
大日本防空協会徽章
賛助会員章