Silvered version.
Reverse
非常時 - Emergency [time of emergency]
海軍 - Navy
大演習 - Large Maneuvers
参加記念章 - Participation Commemorative Badge
Stamped with
那珂 - Naka
Naka was a Sendai-class light cruiser in the Imperial Japanese Navy (IJN), named after the Naka River in the Tochigi and...