Naval Mine School 21th General Mining Course Graduation Сommemorative Watch Fob/海軍機雷学校第二十一期普通科機雷術練習生卒業記念章

11th class watch fob https://asiamedals.info/threads/194...raduation-sommemorative-watch-fob-2600.29492/;
16th class watch fob https://asiamedals.info/threads/194...raduation-sommemorative-watch-fob-2602.27195/;
23rd course watch fob https://asiamedals.info/threads/nav...rse-graduation-sommemorative-watch-fob.28984/.

Obverse

機雷 - Mining

reverse

海軍機雷学校 - Naval Mine School

第二十一期普通科 - 21th General Course

卒業記念 - Graduation Сommemorative

機雷術練習生 - Mining Trainee

 

Salty specimen.