Guadelupe et Dependances

20mm, copper?

Probably French play money.
Bob writes: I have one of these, too. 20mm. It appears to have been a button. The one that I have has remains of something in the recess on the back. [Note: the mark on the back doesn't quite look like a removed button loop to me, but I could be wrong]

Know anything about this token? Please send me a note: pineconeforge(at)gmail.com