1980 Lincoln Cent: Looking For Any New Thoughts

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Author	Replies: 11 / Views: 993
mercystjohn Valued Member United States 101 Posts	Posted 08/09/2021 11:34 am I have been looking at this site for a long time. To me it is an educational site. If something has happen to Abe it can be found here. I mean everything from, A-Z. Acid to Zinc rot and all in between. You might call this the C.S.I of Abe. Ok, about my Abe. Have not seen one that looks like this, have no idea which one of the 26 reason this falls into. And by the way, it weighs 2.86g. Thanks. * Edited by Staff to Add Year / Mintmark / Denomination to Title. Titles are Important! * Report this Post to the Staff

Zurie Pillar of the Community United States 5672 Posts	Posted 08/09/2021 11:45 am Maybe an acid bath and target practice? Report this Post to the Staff
Yokozuna Pillar of the Community United States 4618 Posts	Posted 08/09/2021 11:49 am The coin looks like it's acid damaged. The pitting is deep, so it must have been a strong acid like nitric acid, sulfuric acid, hydrochloric acid and phosphoric acid. I found a topic from 2018 that looks a lot like the damage on your coin. http://goccf.com/t/318358 ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!! Report this Post to the Staff
SamCoin Pillar of the Community United States 3237 Posts	Posted 08/09/2021 12:28 pm Definitely acid damage. Report this Post to the Staff
merclover Bedrock of the Community United States 10635 Posts	Posted 08/09/2021 1:02 pm , acid damage. Post mint damage ( PMD). Report this Post to the Staff
Kcm Valued Member United States 284 Posts	Posted 08/09/2021 1:40 pm I'm vexed by shelter runs to "acid damage" I come across here on CCF. The acid diagnosis comes to me as an over-used refuge from I-dunno! As a familiar with percent hydrion, I ponder why I have yet to find a CCF diagnosis of alkali damage. As to this coin, my suspicion is that it is set apart from common LMC's struck on zinc planchets plated with pure refined copper. I suggest a profit minded entrepreneur may have sold the mint planchets plated with poorly refined copper. I wonder if electrolysis between the impurities and the copper are at work here. For the sake of the site, I'd just like folks to widen their field of view so that acid damage ( deliberate damage) looms less prominently than at present. Maybe I'm wrong; only acid can do a thing like this to a coin or maybe "acid damage' is a useful metaphor for fact that serves all but me well enough. Kevin Edited by Kcm 08/09/2021 2:05 pm Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 08/09/2021 2:00 pm Either way it is still a damaged coin. Not a mint error. Report this Post to the Staff
merclover Bedrock of the Community United States 10635 Posts	Posted 08/09/2021 4:35 pm Quote: I'm vexed by shelter runs to "acid damage" I come across here on CCF. The acid diagnosis comes to me as an over-used refuge from I-dunno! Quote: Either way it is still a damaged coin. Not a mint error. BINGO! Edited by merclover 08/09/2021 4:37 pm Report this Post to the Staff
Bump111 Pillar of the Community United States 3325 Posts	Posted 08/09/2021 5:08 pm Perhaps we should default to "corrosive damage" and cover both possibilities. But, I would have to think the vast majority of these come from acid exposure. "Nummi rari mira sunt, si sumptus ferre potes." - Christophorus filius Scotiae Report this Post to the Staff
HGK3 Pillar of the Community United States 573 Posts	Posted 08/09/2021 5:24 pm Quote: As to this coin, my suspicion is that it is set apart from common LMC's struck on zinc planchets plated with pure refined copper. I suggest a profit minded entrepreneur may have sold the mint planchets plated with poorly refined copper. I wonder if electrolysis between the impurities and the copper are at work here. Except that the coin in question appears to be a 1980 cent, which means no copper plated zinc core. Also, the weight is 2.86, which is greater than that of a zinc core coin and less than that of a solid cooper cent. Hard to imagine an electrolytic process that adds weight to the coin, but easy to imagine a chemical reaction that takes weight away. Most likely explanation is some sort of chemically induced reaction causing both pitting and weight loss, thus PMD. Report this Post to the Staff
Pauley Valued Member United States 109 Posts	Posted 08/09/2021 5:50 pm Definitely A damaged coin. Report this Post to the Staff
Cujohn Pillar of the Community United States 7174 Posts	Posted 08/09/2021 5:50 pm Because 99% of them are acid damaged. Not an expert, but I don't think electrolysis would take away .24. If it did it should be black colored. Report this Post to the Staff
	Replies: 11 / Views: 993

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