1988 Lincoln Memorial Cent / LMC Lamination Peel Or PMD

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Author	Replies: 3 / Views: 1,283
Slamnbass Pillar of the Community United States 3644 Posts	Posted 12/17/2014 12:15 am Report this Post to the Staff

coop Bedrock of the Community United States 62064 Posts	Posted 12/17/2014 12:23 am Actually neither. Zinc planchets don't flake off like a lamination. The planchets are plated. So every now and again a piece of plating will peel off the planchet, or get hit and come off a planchet. When this piece of plating foil gets in the way of the strike, we see what you have after the foil falls off. So it is neither a lamination or PMD. It is a struck piece of foil that came off after the strike. We know that the foil didn't come off the coin after the strike be cause...(Drum roll)... There is still plating in that area now. If it came off the coin, we would see zinc in that area. Here is an example of a piece of foil that was in a mint set cent. It is still in the mint set as I never took it out. The foil is still laying on the surface of the cent. Edited by coop 12/17/2014 12:23 am Report this Post to the Staff
Slamnbass Pillar of the Community United States 3644 Posts	Posted 12/17/2014 12:40 am I think I need to understand the plating process more to understand this better but pretty interesting-thanks for the explanation-mabi I can look this process up online-I know mid '82 started the copper plated zincs I'm just not sure of the actual process-I get the part of the plating still being there like u explained cause otherwise it would be that silver or dull grey color-thanks for explaining! Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/17/2014 03:07 am This might help: Provided by Biokemist6. 1. Blank cut out of zinc stock. 2. Turned into a planchet after setup process to form the rim. 3. Plated (The first three steps are done outside the mint) 4. Coin struck by Mint. Report this Post to the Staff
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1988 LMC Lamination Peel Or PMD