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 ministryofthenavy
imperial japan navybadgeministryofthenavybadge
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