Size 43 x 40 mm.
Obverse
内火 - Internal Combustion (Engine)
2600 - 1940
reverse
海軍工作學校 - Naval Engineering School
第六十期高等科内火術 - 60th Advanced Internal Combustion (Engine) Course
練習生卒業記念 - Trainee Graduation Commemorative
Obverse
内火 - Internal Combustion (Engine)
2600 - 1940
reverse
海軍工作學校 - Naval Engineering School
第六十期高等科内火術 - 60th Advanced Internal Combustion (Engine) Course
練習生卒業記念 - Trainee Graduation Commemorative