Several variations of membership badge are known. Approximate size 19-20 mm. 1st variation.
#4 Interesting example of wearing badge of 1st variation. Photo courtesy of the owner. 東京 -Tokyo 都傷痍 - Disabled Veteran
Interesting example of wearing badge of 1st variation. Photo courtesy of the owner. 東京 -Tokyo 都傷痍 - Disabled Veteran