1987 D Lincoln Cent Repunched Mint Mark / RPM

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Author	Replies: 6 / Views: 1,038
singing New Member United States 37 Posts	Posted 10/15/2021 05:45 am Is this a RPM? Also, what causes this uneven area I've circled. Thanks all! Edited by singing 10/15/2021 05:55 am Report this Post to the Staff

mrwhatisit Pillar of the Community United States 2955 Posts	Posted 10/15/2021 06:00 am Actually this is an infamous case of copper deterioration around the mintmark making it look like a rpm. The circled area seems to be a striking issue. I know others will chime in here. Report this Post to the Staff
Petespockets55 Pillar of the Community United States 5780 Posts	Posted 10/15/2021 06:36 am Your first image seems to show a split plating issue with the zinc showing through the copper plating. The other anomaly on the obverse and reverse is interesting and it's not clashed dies, so I'm leaning towards it being an issue with the planchet. Words of encouragement are one of the major food groups. We need to consume them regularly to thrive and grow. Report this Post to the Staff
singing New Member United States 37 Posts	Posted 10/15/2021 06:59 am Thanks- I see the plate issue. Was wondering about the doubling on the MM? Not sure the uneven areas would be a planchet issue because of the near same occurrence on this coin. http://goccf.com/t/332648 Edited by singing 10/15/2021 07:14 am Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19178 Posts	Posted 10/15/2021 07:16 am Nice example of mint mark split plating. Die Deterioration going on too--note the obverse Ridge Ring passing through I G W T. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 10/15/2021 11:53 am On this coin the split plating on the mintmark area was caused by the Machine Doubling. These images show that the MD split the plating on the upper areas. (most often we see just the lower loop affected) And on this coin the lower loop is also showing the split plating. Which is the normal affected areas. Edited by coop 10/15/2021 11:55 am Report this Post to the Staff
-makecents- Pillar of the Community United States 8767 Posts	Posted 10/15/2021 9:00 pm Quote: On this coin the split plating on the mintmark area was caused by the Machine Doubling. These images show that the MD split the plating on the upper areas. (most often we see just the lower loop affected) And on this coin the lower loop is also showing the split plating. Which is the normal affected areas. A little help on the second part, Coop. The areas the OP circled, what's your take on that? -makecents- Report this Post to the Staff
	Replies: 6 / Views: 1,038

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1987 D Lincoln Cent RPM