See also https://asiamedals.info/threads/1910-korea-annexation-commemorative-watch-fobs.27008/
Bronze and silver medals were designed by artist I.Sato and made by Japanese Mint.
Bronze medal.
Size 54.5 mm.
Thickness 4 mm.
Weight 76 g.
Reverse
韓國内併合記念 - Korea Annexation Commemorative
明治四十三年八月二九日 - August 29, 1910
Bronze and silver medals were designed by artist I.Sato and made by Japanese Mint.
Bronze medal.
Size 54.5 mm.
Thickness 4 mm.
Weight 76 g.
Reverse
韓國内併合記念 - Korea Annexation Commemorative
明治四十三年八月二九日 - August 29, 1910