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
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...
Celluloid badge.
Obverse
總裁宮殿下 - His Imperial Highness the President
奉戴式 - Reverential Acceptance/Dedication/Inauguration Ceremony
財團法人 - Foundation
大日本防空協會 - Dainippon Air Defense Association