Original case.
下士官用操縦徽章 - Non-commissioned Officer's Pilot Badge
On the back side of the case label of Handaya Watch Shop /半田屋時計店/ in Tokorozawa https://asiamedals.info/threads/badges-and-watch-fobs-manufactured-by-handaya-watch-shop.26054/
Army Pilot Badges manufactured by Handaya Watch Shop/半田屋時計店製 陸軍飛行機操縦徽章
Original case.
下士官用操縦徽章 - Non-commissioned Officer's Pilot Badge
On the back side of the case label of Handaya Watch Shop /半田屋時計店/ in Tokorozawa https://asiamedals.info/threads/badges-and-watch-fobs-manufactured-by-handaya-watch-shop.26054/