2nd type badge was introduced in September 1941.
1st variation "Screw fastening".
Made in light aluminium alloy. Paint instead of enamel. Badges with hot enamel are also known.
Original case.
大日本産業 - Greater Japan Industrial
報國會徽章 - Patriotic Service Association Badge
Inside inlay
徽章...
dainippon sangyō hokokukai
dainippon sangyō hokokukai badge
greater japan industrial patriotic association
industrial patriotic association badge
industrial patriotic association member badge
movement of industrial service to the country
naigai medal works
会員徽章
内外徽章製作所
大日本産業報国会バッジ
大日本産業報国会会員徽章
大日本産業報国会徽章
大日本産業報国会章
