Possible 1600s French coin

[Wagon55]

I dug this back in November. I’m pretty sure I have identified it. However I’m 99.99% sure it is counterfeit. It tested positive for silver, but the corrosion makes me think it’s just silver plated or whatever. The size and weight pretty matches. Anyways, any insight or information would be appreciated.

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[cellrdwellr]

This tiny spot sticks out to me:

Could be heavily plated, I think you are right. Still, a very cool relic!

 

[kazacomy]

If it's counterfeit it's an old one... the date implications though are so deep in history that it's mind blowing.

https://en.m.wikipedia.org/wiki/History_of_the_French_in_Baltimore

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