7thinfantryregimentsiberiaexpeditionwatchfob
japanese imperial reservist association badge
japanese reservists association badge
歩兵第七連隊紀念章
歩兵第七連隊西比利亞出征紀念章
西比利亞出征紀念章
歩7.1 - 7th Infantry Regiment, 1st Batallion
西比利亞 - Siberia
出征紀念 - Expedition [departure for the front] Commemorative
In the center of obverse Imperial Military Reservist Association emblem
https://asiamedals.info/forums/imperial-military-reservist-association-badges.611/