Some ID Help Please

[Yeasty]

I found this coin today. The context of the find is that it was found in a field, ~10 inches deep, which has been tilled probably from colonial times. As you can see the coin is toast. It is copper and its diameter (20.5mm) is larger than a small cent (19mm). It appears to be about the same thickness of a dime. Its weight is 2.8 grams. I suspect that it's from the Old World. I am hesitant to do the peroxide treatment because I might lose everything. I know that's not a whole lot to go on but any help would be really appreciated.

 

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[Iron Patch]

Question... What is everything?

 

[Yeasty]

Answer: Any identifying features

 

[Mackaydon]

Suggestion: Start the treatment.

 

[Yeasty]

Let's see if anyone has any other suggestions first.

 

[azmetaldetector]

Since it's not ID'able in current condition, I think the safest way to start is to tumble it and then go from there. yes, if it's a highly collectible coin, you've knocked value off of it, but how would you even know that unless you cleaned it up a bit. I wouldn't try anything chemical right away (as you could destroy the coin), but I think tumbling it with some water and a tiny bit of dishsoap, might make it at least Id'able.

 

[fortbball9]

pour some milk on the coin and see if you see any thing that you can ID.
It wont hurt anything.

fortbball9

 

[allen]

good luck on anything you do to that coin !