See also https://asiamedals.info/threads/16t...raduation-commemorative-watch-fob-2603.27208/
Obverse
寫眞 - Photograph
reverse
皇紀2603年 - 1943
第十六期高等科航空兵器術 - 16th Advanced Course of Aviation Weaponry
寫眞練習生卒業記念 - Photo Trainee Graduation Commemorative
Engraved
川久保秀夫 - Hideo Kawakubo
Original case.
Obverse
寫眞 - Photograph
reverse
皇紀2603年 - 1943
第十六期高等科航空兵器術 - 16th Advanced Course of Aviation Weaponry
寫眞練習生卒業記念 - Photo Trainee Graduation Commemorative
Engraved
川久保秀夫 - Hideo Kawakubo
Original case.