Obverse
賞 - Award
reverse
青年訓練 - Youth Training
十周年記念 - 10th Anniversary Commemorative
海軍省 - Ministry of the Navy
Marked 純銀 - pure silver.
Original case.
青[年]訓[練]十周年 - Youth Training 10th Anniversary
記念 - Commemorative
海軍省 - Ministry of the Navy
10th anniversary of youth training award badge
award badge from ministry of the navy
imperial japan navy badge
ministry of the navy badge
youth league award badge
海軍省記念章
海軍省青年訓練十周年記念章
青年訓練十周年記念章