takami air raid defense corps badge

Obverse 防空 - Air Defense reverse 勤功章 - Diligent Service Badge 昭和九年乃至 - From 1934 十三年度防空演習 - Until 1938 Air Defense Maneuvers 高見防護分團 - Takami Air Raid Defense Corps Case. Label of H.K.D. workshop https://asiamedals.info/threads/badges-and-watch-fobs-made-by-h-k-d-workshop.22291/ See...