1802 Mexico City 8 Reales - Real Or Fake?

Hello everyone! I recently stumbled upon this 8 Reale coin at a local coin shop.
But it came off strange. It measures 39 mm wide, weighs 26.35 grams. The edge looks the same as on other coins of this type but is heavily worn and some details are indescribable. The details on the coin and the texture are also weird, some say that it's environmental damage. If you'll be able to tell me if it's a fake or not, I will really appreciate it.


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