Mint Error? Never Heard Of This Type Of Error Before

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Author	Replies: 9 / Views: 1,110
michaelf5567 New Member United States 8 Posts	Posted 02/16/2012 01:44 am Ok, I don't have a good enough camera to take a picture with but I can explain what I found. It's a 65' Dime. When I turned it to look at the planchet I saw that the rim is...cut out all the way around. Imagine taking a dime and then a tiny saw and just cutting all the way around the rim inward towards the center. Both the obverse and reverse are the normal size and width. I've never heard of anything or seen anything like this before. Could someone tell me what could have caused this? Report this Post to the Staff

Fuzzy317 Moderator United States 14463 Posts	Posted 02/16/2012 01:51 am Its more likely PMD. I believe when coins are dipped in acid to get them clean, the acid eats away the copper core before the zinc coating. Edited by Fuzzy317 02/16/2012 01:52 am Report this Post to the Staff
CaptainFwiffo Pillar of the Community United States 4132 Posts	Posted 02/16/2012 02:22 am Various types of corrosion and environmental damage can eat away the copper core faster than the cupronickel cladding creating that oreo shape. I see one or two like that in most boxes of dimes I search. Report this Post to the Staff
mitchhailey Pillar of the Community United States 1150 Posts	Posted 02/16/2012 02:24 am My little sister did this in science class with a cent and some Coca Cola if I remember right. Report this Post to the Staff
michaelf5567 New Member United States 8 Posts	Posted 02/16/2012 02:46 am Really? Wow. When I found it I got super excited! Thanks for the input, I will be holding onto it for my collection of oddities. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 02/16/2012 05:20 am I agree with the acid answer. Note: there is no zinc coating on a dime it is nickel clad. John1 Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 02/16/2012 12:53 pm I would need to see images. There are so many things it could be. Report this Post to the Staff
michaelf5567 New Member United States 8 Posts	Posted 02/16/2012 10:30 pm Here are the pictures. Sorry they are so crude but this is the best I could get. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 02/16/2012 10:50 pm classic chemical erosion of the copper core Report this Post to the Staff
michaelf5567 New Member United States 8 Posts	Posted 02/16/2012 10:54 pm Ok, thanks. When I first saw it I thought maybe someone had tried to fake a 65 silver and then it fell back into circ. Just curious, how long would you need to leave that in vinegar/coke for that to happen? Report this Post to the Staff
	Replies: 9 / Views: 1,110

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