1986 s or d penny raised mintmark

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crodez
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1986 s or d penny raised mintmark

#1 Unread post by crodez »

Could someone tell me is this mint damage or post mint damage?
THANKS!
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Paul
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Re: 1986 s or d penny raised mintmark

#2 Unread post by Paul »

from these pics .....

it hugeeyes 's to be "ZINC ROT" to me ..... JMO
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Re: 1986 s or d penny raised mintmark

#3 Unread post by mhonzell »

Yep, zinc rot.
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Daniel
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Re: 1986 s or d penny raised mintmark

#4 Unread post by Daniel »

I agree, a planchet bubble burst or there was a plating disturbance that caused teh zinc to be exposed and to react with the environment.

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Re: 1986 s or d penny raised mintmark

#5 Unread post by PetesPockets55 »

Daniel wrote: Thu Feb 15, 2018 7:06 am I agree, a planchet bubble burst or there was a plating disturbance that caused teh zinc to be exposed and to react with the environment.
Interesting location.
Sometimes this shows up in the form of a rupture or "volcano". Yours happened to occur under the Denver MM.

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