Greater Japan Aviation Association Meritorious Member's Badge/大日本飛行協会有功会員章

Early war badge.

Reverse

大日本飛行協會 - Greater Japan Aviation Association

有功會員章 - Meritorious Member's Badge

 

Original case.

大日本飛行協會 -Greater Japan Aviation Association

有功會員章 - Meritorious Member's Badge

Badge was manufactured by Shibusawa Medals /澁澤製作所/ https://asiamedals.info/threads/badges-and-watch-fobs-made-by-shibusawa-medals-tokyo.21948/

 

Late war badge.

Original case.

Original outer cardboard case.

 

Screw variation.

Different fastening and color of the case.