Medal with a similar design of obverse https://asiamedals.info/threads/1894-great-victory-celebration-commemorative-medal-27.28429/
Photos courtesy of the owner.
Somebody glued to the reverse medallion with yin and yang taken from Great Japan Educational Association achievements award medal...
1894-1895 war japanese commemorativemedal1894-95warvictorycommemorativemedal
first sino-japanese war award
first sino-japanese warmedal
great victory celebration commemorativemedal
明治27年宣戰大詔祝大捷記念章
明治27年宣戰大詔章
祝大捷記念章