92 Lincoln Memorial Cent / LMC Mint Error? Copper On Reverse?

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Author	Replies: 6 / Views: 1,748
J4337 Valued Member United States 79 Posts	Posted 05/06/2016 02:58 am I noticed this..there is what looks to be a dot above both of the letters "S" and "T" in "state" and a larger spot below "T" as well on the left side roof of the monument..is this a mint error? I've never seen this before.. Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 05/06/2016 04:45 am Not an error.Plating issue. I see a few on there. Most likely they did not rinse the blanks well before copper plating. John1 Report this Post to the Staff
Numisma Pillar of the Community United States 4963 Posts	Posted 05/06/2016 08:18 am I might set it aside if it's a really dramatic one, but I usually just dump these. Report this Post to the Staff
CoinCollector2000 Pillar of the Community United States 2563 Posts	Posted 05/06/2016 09:52 am Plating issue. Extremely common on Zinc cents. Report this Post to the Staff
J4337 Valued Member United States 79 Posts	Posted 05/06/2016 11:11 am Thank you. I have quite a few cents with major plating issues where the whole cent is covered in bubbles, ans a few others with rust holes and cracking, which is why I got excited when I seen this..it's hard to see from my pics, but It looks as though the dots above the 2 S's and T in state are diaresis's, (the dots found above vowels in Greek or Latin) It's hard to see in my photos (which I'm going to search for a forum for suggestions on magnifiers or zoom lenses later today, and my husband said it looked like little droplet's of solder..but we are just learning, so thank you for your responses. I will apologize now for my future questions as I'm sure I will have many lol Edited by J4337 05/06/2016 11:24 am Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 05/06/2016 1:06 pm It is a split plating issue. Note the outside edge letters on USA have this split between the tops of some letters and the rim. (The pressure on the strike was too strong causing this to happen. The one under the second 'T'in STATES is a different issue. It is the same, split plating, but the cause is different. Note the gray color in the center? That is where something pierced the plating, letting air get to the zinc. The zinc starts to break down after it gets oxygen. There is no premium for these as it will continue to get worse in time. Sometimes the strike is so strong that even the Memorial building and more devices are affected. This also adds no premium. Just something the coin will have to suffer during it use until the coin is disposed of. If you see a coin that is a variety that has an issue like this, pass! This will continue to break down in time. Report this Post to the Staff
J4337 Valued Member United States 79 Posts	Posted 05/07/2016 1:22 pm Oh wow..interesting. Thanks for the info.. Report this Post to the Staff
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92 LMC Mint Error? Copper On Reverse?