Incomplete Plated Cent?

Is this an incomplete plating ?

 

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I would say zinc rot also known as PMD (post mint damage) environmental damage . IMO
Dave

 

Interesting find.. It's not zinc rot of any kind.
Could be a good candidate but I'm not 100% sure.

 

Perhaps @Fred Weinberg might take a look.

 

I would expect a much thinner plate where it is showing rather than an apparently thicker one, Since these are electroplated in large numbers. I think that it may be a copper cent which was electroplated incompletely with zinc.

 

I did weigh it 2.475g. Slightly lower than it should be.

 

The range for the zinc/copper cent is +/- .13g. so from 2.37 - 2.63 is acceptable weight.

 

Based on the photos, I'd
agree it's a partially plated
planchet.

 

Thanks Fred!