1983 p Jeff

PMD or something else?

 

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I believe you have a couple of things going, PMD, strike doubling and or die deterioration

 

I agree with dog_pound: all of the above

 

I don't see any strike doubling, or anything damage-wise outside simple circulation (other than the gunk), but the die deterioration is quite evident indeed.

 

I agree with books, the PMD I was referring was the damage cause by circulation as that there is heavy wear. Die deterioration was evident, I was probably a little over the top when i included strike doubling as well. Though the mint Mark seemed to have some shelf like qualities

 

I see a very extreme case of Die Deterioration Doubling. See the Wikipedia article here: https://en.wikipedia.org/wiki/Die-deterioration_doubling