Dainippon Air Defense Association Special Member Badge/大日本防空協会特別会員章

Diameter of the badge approximately 27 mm.
Height with suspension approximately 37 mm.

Early "heavy" badges.



Reverse

特別員會章 - Special Member of Association Badge

財團法人 - Foundation

大日本防空協會 - Dainippon Air Defense Association

Hot enamel.
The flower is a separate element of the badge.
Note the rivert.

Original case.



Inscription (is the same) almost completely faded.

 

Late "light" badges.

1st variation.



Aluminum alloy instead of heavy metal (only pin is still in low quality metal) or cupronickel and paint instead of hot enamel.
The flower is no longer a separate element of the badge.

Original case.

 

2nd variation (different stamp, different color of paint and different construction of the pin).

"Orange" subvariation.

Original case.

 

"Yellow" subvariation.



Case.

 

"Aquamarine" subvariation.