I Need Help With This One - Coin Community Forum

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Author	Replies: 7 / Views: 1,886
RandyK6371 New Member United States 41 Posts	Posted 06/05/2019 9:00 pm I found two of these in a roll of 2918 D coins today. There is a depressed crease from about 3 o'clock to about 5 o'clock inside the rim of both coins. I would think PMD except that the crease passes through the 8 and the D MM without any damage. I need help with these coins. Report this Post to the Staff

Errers and Varietys Bedrock of the Community United States 74846 Posts	Posted 06/05/2019 9:02 pm That's called Die Deterioration and Die Deterioration Doubling, caused by a worn die issue, from striking a ton of planchets at the U.S. Mint. Errers and Varietys. Report this Post to the Staff
RandyK6371 New Member United States 41 Posts	Posted 06/05/2019 9:11 pm How does the die cause the indention in the coin but still imprint the 8 and D? I guess I don't understand. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 06/06/2019 01:09 am The field metal moves towards the rim creating a ridge ring. The wave crowds towards date. We've seen this before on many Zincolns. The single squeeze dies they use break down quicker as they age. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 06/06/2019 04:29 am Also known as a " Ridge Ring" John1 Report this Post to the Staff
RandyK6371 New Member United States 41 Posts	Posted 06/06/2019 09:37 am Thanks Coop. That's the education I need. I have some books ordered that will help me to not bother ya'll so much. Maybe? Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 06/06/2019 12:53 pm Books don't cover what you can learn here. They cover just the basics. What I share is what I see on the coin before me. So keep posting, it is not just the poster that benefits, but all who reads benefits. Report this Post to the Staff
fioti Pillar of the Community United States 4212 Posts	Posted 06/06/2019 1:44 pm Good question & good answer! Report this Post to the Staff
	Replies: 7 / Views: 1,886

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