I tried to find the countermark in my books but with no success. Perhaps someone with a knowledge of heraldry would recognize the shield, if that's what it is?
I also don‘t seem to recognize the counterstamp.
coin looks to be from the low countries.
I might be wrong tough.
can you try to identify some of the lettering?
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You should also thank Frenchlover who posted your request on the french side of the forum.
See with a translator if needed because we founded a match about the countermark too. It may come from Malta order https://fr.numista.com/forum/topic84719.html#p721559