Related badges https://asiamedals.info/threads/1916-red-cross-allies-conference-in-paris-badge-xxviii-mars-mcmxvi-paris-conference-des-allies.26420/
Two basic types of these commemorative badges/watch fobs are know.
Broche of allies (fr. Bijou des alliés)
Commemorative medal in honor of the...
1914-1915外国赤十字徽章盾剣
badge gloria vulneratis pro jure et libertate
bijou des alliés
cloria vulneratis pro jure et libertate
insignedesblessésinsigne gloria vulneratis pro jure et libertate
insignes non-officiels distribués aux blessés
japanese red cross badge
red cross badge ww1
連合軍国際赤十字章