Obverse
Guards unit emblem
優勝 - Winner
reverse
慶興守備隊 - Kyonghung Garrison
Kyŏnghŭng County /경흥군; 慶興郡/ is a kun, or county, in North Hamgyong province, North Korea. The county borders the People's Republic of China to the northeast. Except for the southwest, it is dominated by low hills...
See also https://asiamedals.info/threads/korea-annexation-commemorative-table-medal.27009/
Reverse
日韓合併記念 - Japan-Korea Merger Commemorative
明治四十三年八月 - August 1910
Korea annexation commemorative postcard with Dragonfly as a symbol of Japan. Japan is also known as the Island of the...
1910 koreaannexationcommemorativewatchfob
1910年日韓合併記念章
koreaannexationcommemorative badge
koreaannexationcommemorativewatchfobkorea under japanese rule badge
korea under japanese rule watchfob
日韓合併記念章
明治四十三年八月日韓合併記念章