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View All Auctions 2008-W Burnished Surface Silver Eagle in OGP 1970 Sealed Uncirculated Finland One 1 Penni 1c Finnish MS BU UNC June 1983 SILVER Canada Prince & Princess of Wales Medallion Medal Canadian 1903-S Morgan Silver Dollar NGC VF25 1958-D Franklin Half Dollar PCGS MS65FBL 1835 Capped Bust Half Dime ANACS G6 1883 No Cents Liberty (V) Nickel PCGS MS63 Problem Free Excellent Luster 2008-W Burnished Surface Silver Eagle in OGP 2007-W Burnished Surface Silver Eagle in OGP 1967 Kennedy Half SMS NGC MS66 CAMEO

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Carbon on Lincoln Cents...What causes it? Can you preserve

Author	Topic
Jayman931 Pillar Of The Community United States 1712 Posts	Posted 04/02/2012 11:27 am I have a really nice 1970s small date with a carbon spot. I know that I shouldn't attempt doing anything to it as it would just ruin a great coin. I made a post in the grading section here http://www.coincommunity.com/forum/...IC_ID=114558 My question is what causes this and is there a way to insure this doesn't happen to other coins. I bought a Whitmans Album and this was one of the coins in it. I thought an album would prevent this kind of occurrence. Here is a 1960 Small Date I was looking at. Do you think the back of this had carbon on it and that it was removed? http://www.ebay.com/itm/1960-P-Sm-d...em3a7164289a Jaymans coins for trade http://www.coincommunity.com/forum/...IC_ID=104519 My Want List http://www.coincommunity.com/forum/...IC_ID=110033 Send note to staff
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timsumrall Pillar Of The Community United States 1234 Posts	Posted 04/02/2012 12:44 pm Carbon spots are from something being on the cent prior to storage. The album didn't do it nor could it prevent it from happening. Like a finger print it is etched into the copper over time. While you might be able to tone it down and stop it from getting worse, the damage is done. The 1960 seller doctors cents. It does look like a removed spot. Look at his wheat cents and you'll see they are the same color. What are the odds? Send note to staff
Jayman931 Pillar Of The Community United States 1712 Posts	Posted 04/02/2012 1:29 pm Thanks for the info Tim Jaymans coins for trade http://www.coincommunity.com/forum/...IC_ID=104519 My Want List http://www.coincommunity.com/forum/...IC_ID=110033 Send note to staff
BadThad Pillar Of The Community United States 10105 Posts	Posted 04/02/2012 2:08 pm Carbon spots are caused by a number of factors, most often issues at the mint. Exposure to ANYTHING organic can result in one. They cannot be properly conserved, the surface under them is permanently stained/damaged. Lincoln Cent Lover! VERDI-CARE™ All Metal Conservation Fluid http://www.verdichem.com Send note to staff
bpoc1 Pillar Of The Community United States 1165 Posts	Posted 04/02/2012 3:44 pm BadThad, in all do respect, could you explain more on Quote: Carbon spots are caused by a number of factors, most often issues at the mint. I understand "anything organic " ie nasal, fluid, food or .... Is this the reason "at the Mint"? Thank you for your information and knowledge on carbon spots. Send note to staff
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