1976 S Proof Lincoln Memorial Cent / LMC Missing Clad Layer , Toning Or Damage?

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Author	Replies: 5 / Views: 1,196
Ham and Egger Valued Member United States 86 Posts	Posted 07/05/2022 10:43 am Ok community I plucked this 76 S Lincoln Memorial cent out of a proof set. I suspect this is some sort of toning going on here . All input is appreciated. Report this Post to the Staff

Coinfrog Bedrock of the Community United States 94367 Posts	Posted 07/05/2022 10:50 am Agree this is toning of some sort. It was not a plated coin to begin with, but a solid alloy. Edited by Coinfrog 07/05/2022 10:50 am Report this Post to the Staff
Dearborn Moderator United States 95805 Posts	Posted 07/05/2022 12:36 pm a 1976 cent was not a cladded coin, it is 95% copper and 5% zinc and tin (all mixed up together) it is some strange toning (intentional? who knows.) There is also a finger print of the same color just above the date. Is it possible that it was a gold plated coin and the copper colored areas were protected by a n oil film so the plating didn't take hold? Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 07/05/2022 2:37 pm No print marks, maybe something on a latex glove? Report this Post to the Staff
Cujohn Pillar of the Community United States 7174 Posts	Posted 07/05/2022 8:28 pm I kinda like it. Might be interesting to see if the toning ingulfs the whole coin in a few years. Report this Post to the Staff
Ham and Egger Valued Member United States 86 Posts	Posted 07/09/2022 3:06 pm OK so , just got back from the Florida Fun Show . One of the vendors had a 1975 S proof coin with the exact type of toning going on? So now the question becomes are the planchets exposed to a chemical prior to minting which then causes the coin to tone once released down the road ? Any one else with an example? Report this Post to the Staff
	Replies: 5 / Views: 1,196

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1976 S Proof LMC Missing Clad Layer , Toning Or Damage?