Imperial Aviation Association Special Member's Badge/帝国飛行協会特別会員章

Special member's badges and regular member's badges are very similar in design https://asiamedals.info/threads/imperial-aviation-association-regular-members-badge.25355
The only differences are 1) special badges have blue enamel in the center of propeller while regular badges have green enamel 2) special badges have gilded engine cylinders.

1st variation made by Funahashi Medal Company "marked pure silver".

Early high quality badge in pure silver.

Reverse

帝国飛行協會 - Imperial Japan Aviation Association

Marked "S inside the ship's sail" for Funahashi Medal Co. https://asiamedals.info/threads/bad...by-funahashi-funabashi-medal-co-medaru.25352/

純銀 - pure silver

Original case.

特別會員章 - Special Member's Badge

帝国飛行協會 - Imperial Japan Aviation Association

Label of Funahashi Medal Co. inside.

 

2nd variation made by Mitsukoshi "marked pure silver".

Marked with 越 for Mitsukoshi

and with 純銀 - pure silver.

 

3rd variation made by Mitsukoshi "unmarked".

 

4th variation "pin fastening, marked pure silver".

Mark 純銀 - Pure Silver.

 

5th variation made by Funahashi Medal Company "pin fastening, marked pure silver".