Imperial Aviation Association Regular Member's Badge/帝国飛行協会正会員章

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 "Unmarked".

Reverse

帝国飛行協會 - Imperial Japan Aviation Association

Original case.

正會員章 - Regular Member's Badge

帝国飛行協會 - Imperial Japan Aviation Association

Badges were manufactured by Funahashi Medal Company https://asiamedals.info/threads/bad...by-funahashi-funabashi-medal-co-medaru.25352/

 

2nd variation made by Funahashi Medal Company "marked pure silver".

Marked with Funahashi workshop mark "S inside the ship's sail" and 純銀 - pure silver.

Original case.

 

3rd variation made by Funahashi Medal Company "pin fastening, marked pure silver".

Size 29 x 14 mm.

Marked with Funahashi workshop mark "S inside the ship's sail" and 純銀 - pure silver.

Original case.

 

4th variation made by Funahashi Medal Company "pin fastening, unmarked".

Size 29 x 13 mm.
Weight 2 g.

Original case.

 

5th variation "late 1930s".

Cold enamel and base metal. Such badges were issued during late 1930s.

 

Another example of 5th variation badge.

帝國飛 - Imperial Avia[tion]

行協會 - [Avia]tion Association