Small Asian Medallion?

[oddcoins]

I found this today at a local park (and the 1941-D Merc Dime). Anyone know what this thing is? It's smaller than a dime but thicker than a nickel. Weird foreign writing.

 

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[Tricia]

Writing - Thai?

Maybe commerative coin for previous Dali Lama? Or another monk/religious figure?