Watch fobs were commissioned by Osaka Mainichi Shimbun and were manufactured by the Japanese Mint.
Mint also manufactured table medals with the same design https://asiamedals.info/threads/japanese-mint-ww1-commemorative-table-medals.26291/
Today thee variants of the watch fobs are known: gold...
1919年世界戦役講和條約調印記念章
japanese mint ww1commemorativewatchfobjapanesewatchfobjapaneseww1commemorativewatchfobjapaneseww1victorycommemorativewatchfobwatchfob made by japanese mint
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