Greater Japan Aviation Youth Corps Badge/大日本航空青少年隊章

Dai Nippon Aviation Youth Corps / Greater Japan Aviation Youth Corps / 大日本航空青少年隊 was established in May 1941 under the Dainippon Seinendan /Great Japan Youth League/ 大日本青少年団

See also https://asiamedals.info/forums/youth-league-seinen-dan-badges.618/

Reverse

大日本航空 - Greater Japan Aviation

青少年隊 - Youth Corps

 

Salty specimen.