1988d cent

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mikev50
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1988d cent

#1 Unread post by mikev50 »

just found this coin and wondering if it is a double die---
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Last edited by mikev50 on Wed Aug 29, 2018 11:05 am, edited 1 time in total.
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Re: 1988d cent

#2 Unread post by Daniel »

I don't think so but can't really tell based on these images.
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Re: 1988d cent

#3 Unread post by PetesPockets55 »

Hey Mike.
Are you talking about areas like the 8's of the date, BERTY, IN and the N of ONE on the reverse that look like the letters are "deflated"?
Not a doubled die if that is the areas in question. I think those areas are where the underlying zinc has started to react and "dissolve" (think zinc rot on a less obvious and destructive level). As the zinc reacts and dissolves away the copper plating fills the void and it looks like the letters are deflating.
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Re: 1988d cent

#4 Unread post by Paul »

i would need to hugeeyes better/closer images to make any determination here ... :dunno
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Re: 1988d cent

#5 Unread post by mikev50 »

thanks---added more pics to post--
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Re: 1988d cent

#6 Unread post by Paul »

TY

i DO NOT hugeeyes "die doubling" in these images,....

:eureka:
this looks like some oddball die state cavity deformation / strike metal flow filling to me ...JMO
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Re: 1988d cent

#7 Unread post by PetesPockets55 »

PALH1 wrote: ↑Wed Aug 29, 2018 12:12 pm TY

i DO NOT hugeeyes "die doubling" in these images,....

:eureka:
this looks like some oddball die state cavity deformation / strike metal flow filling to me ...JMO
As usual Paul's decades of experience pays off.
His explanation of the metal flow into the die devices being a possible culprit is much better than my thoughts.
(The only thing I can think to add is the possibility of low striking pressure, which might add to the metal flow suggestion.)
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Re: 1988d cent

#8 Unread post by mhonzell »

When I see these "caved in" letters and numbers, I think the zinc behind them has disintegrated due to the copper plating being porous along the letter/number edges. The copper plating is then pushed in to fill the gap.
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