Dainippon Air Defense Association Supporting Member Badge/大日本防空協会賛助会員章

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 variation badge with slightly different color of the enamel.

 

Late badges.

2nd variation.

Different stamp, badge is made in light alloy (most likely cupronickel) and has different fastening.

Made in aluminum alloy but the enamel is still hot.

Original case.

With original paper wrapper.

 

3rd variation.

Badges of different stamp, paint instead of hot enamel and made in cupronickel.

First stamp.

Original cardboard case.

 

Second stamp.

Badge of 3rd variation with orange paint instead of yellow and stamp differences.

Private collection. Photos courtesy of the owner.