"yellow" Lincoln Cent

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Author	Replies: 5 / Views: 6,716
crusherjc Valued Member United States 139 Posts	Posted 04/04/2016 9:20 pm I got this 1994 penny in a sealed US Mint bag I bought from a dealer around 1999. This was the only one in the bag. The rest were all normal 1994 pennies. Thought maybe it was just some sort of discoloration, but I let it soak for 2-3 days in acetone, with no change to it. Is this made on a wrong metal blank, or blank for another country? Is it that something went wrong during the copper plating process? its color is uniform all around front and back. Any opinions? Thanks, Jim Report this Post to the Staff

BStrauss3 Pillar of the Community United States 4588 Posts	Posted 04/04/2016 9:42 pm The coins are copper plated zinc. As the plating solution reaches the end of it's life, there's a lot of zinc in the solution causing the yellowish color. -----Burton 50+ year / Life / Emeritus ANA member (joined 12/1/1973) Life member: Numismatics International, CONECA Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club Owned by three cats and a wife of 40+ years (joined 1983) Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/ Report this Post to the Staff
just carl Bedrock of the Community United States 20753 Posts	Posted 04/05/2016 10:58 am Just something that the coin came in contact with, possibly. Report this Post to the Staff
BadThad Bedrock of the Community United States 19931 Posts	Posted 04/05/2016 11:26 am With BStauss3, this is what happens and is pretty common. Lincoln Cent Lover! VERDI-CARE™ INVENTOR https://verdi.care/ Report this Post to the Staff
crusherjc Valued Member United States 139 Posts	Posted 04/05/2016 7:38 pm Thanks guys, that was my guess. Didn't think it was worth anything more than a penny, but was cool to find a yellow penny in a bag of shiny copper colored pennies, as it really stood out!! I have another coin with a weird finish, that I really don't know what the reason might be, but it is one of the Presidential dollars not on a penny. Will post that over the weekend when I have time to dig it out. Jim Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 04/06/2016 4:38 pm Burton's theory sounds good, but this coin hardly shows any wear at all. Report this Post to the Staff
	Replies: 5 / Views: 6,716

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