1991 Shiny Lincoln Penny - Coin Community Forum

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Author	Replies: 5 / Views: 3,376
Locke_Valken New Member United States 5 Posts	Posted 09/20/2017 7:57 pm I suspect there is nothing special about this coin as it is a 1991 Zinc Penny that has no S or D stamp. I just read another post in the forum mentioning a common student project that stripped the copper off of the coin. Is this accurate? Report this Post to the Staff

Crazyb0 Rest in Peace 10197 Posts	Posted 09/20/2017 8:08 pm Welcome to the forum! Think you misunderstand, coins made after mid 1982 were copper plated zinc core weighing @ 2.5g (Copper pre82 is 3.11g) Normal coin of Philly mint Edited by Crazyb0 09/20/2017 8:09 pm Report this Post to the Staff
Locke_Valken New Member United States 5 Posts	Posted 09/20/2017 8:17 pm Thanks for the welcome. ______________________________________ I am confused now. Metal Composition: 97.5% Zinc - 2.5% Copper after 1982 NVM! I confused myself, 91 not 81... sorry Thanks! Edited by Locke_Valken 09/20/2017 8:26 pm Report this Post to the Staff
spru Bedrock of the Community United States 12477 Posts	Posted 09/21/2017 01:24 am Most likely, as you mentioned, the copper plating has been removed post-mint. Can you post more pictures of the coin, both sides? There is a small possibility that it was struck on an unplated planchet (true error) but, I can't tell much from the photo. In Memory of Crazyb0 12-26-1951 to 7-27-2020 In Memory of Tootallious 3-31-1964 to 4-15-2020 In Memory of T-BOP 10-12-1949 to 1-19-2024 Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 09/21/2017 05:33 am There is also the mint Weight Tolerance of .13 grams +/- John1 Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 09/21/2017 5:24 pm More likely it has been plated rather than having the copper plating removed. removal of the copper plating results in a dull rough/lightly corroded surface, not a shiny reflective one. If the cent planchet missed the copper plating step the struck zinc coin will show cartwheel luster. Once an non-plated cent receives some circulation it will lose the lustre (wear and the reactiveness of zinc) and it really isn't possible to tell a non-plated cent from one that has had the copper stripped off. So unless the cartwheel luster is present it really isn't worth anything. Report this Post to the Staff
	Replies: 5 / Views: 3,376

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