What is this? A coin? Anyone have a clue? Found in a Bayonne, NJ Park...deep (10")

[DDLoopscreamer81]

What is this? A coin? Anyone have a clue? Found in a Bayonne, NJ Park...deep (10")


It's the size of a large cent but not as thick and I'm baffled...weighs 3.7grams

 

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[Mackaydon]

My guess is a one real coin from Mexico City.
The standard weight would be 3.43 grams, but with some crud on the coin it could easily weight 3.7 grams.
Don.........