Badge of 1st type.
Obverse
記念 - Commemorative
Z Flag https://asiamedals.info/threads/mikasa-preservation-society-badges-z-flag-badges-z.25258/
昭和五年 - 1930
reverse
海と空の博覧會 - Sea and Sky Expo
日本海々戰二十五周年記念 - The 25th anniversary of the Naval Battle of Sea of Japan /Battle of...
1930 japanese expo badge
1930 sea and sky expo badge
25th anniversary of the battle of tsushima badge
asada workshop
japanese badge
japanese badge made by asada workshop
japanese exhibition commemoration badge
japanese exhibition commemoration watch fob
japanese expo badge
japanese expo commemorative badge
海と空の博覧會日本海々戰二十五周年記念章
海と空の博覧會章
