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 ww1 commemorative watch fob
japanese watch fob
japanese ww1 commemorative watch fob
japanese ww1 victory commemorative watch fob
watch fob made by japanese mint
世界戦役講和条約記念メダル
世界戦役講和条約記念造幣局製メダル
世界戦役講和條約調印記念章
大正八年六月二十八日世界戦役講和條約調印記念章
造幣局製
造幣局製メダル
Medals were manufactured by the Japanese Mint.
Today two variants of the medal are known: silver medal and bronze medal.
Silver medal.
Size 55 mm.
Thickness 4.5 mm.
Weight 93 g.
Medal obverse was designed by artist J.Iida. Reverse was designed by famous medal artist I. Sato.
Obverse...
1919年世界戦役講和條約調印記念章牌
commemorating the world war peace treaty medal
japanese table medal
medal made by japanese mint
ww1 commemorative medal
ww1 japanese commemorative table medal
世界戦役講和条約記念メダル
世界戦役講和条約記念造幣局製メダル
世界戦役講和條約調印記念章
世界戦役講和條約調印記念章牌
造幣局製
造幣局製記念メダル