1987 D Lincoln Memorial Cent - What Is And How Does This Happen? - Page 2

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Author	Replies: 20 / Views: 3,523	Page: of 2

steve199 Pillar of the Community United States 1882 Posts	Posted 04/28/2010 11:33 am Coop, the shadowed doubling also appears on the top of the letters near the rim (top edge of inside of "U", for example). You don't think this is because of Die Deterioration? Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 04/28/2010 8:05 pm From what I see it is just the split plating allowing the zinc to get exposed. The area exposed raises as time goes along. Report this Post to the Staff
Brent Williams Valued Member United States 91 Posts	Posted 04/29/2010 09:50 am So this would not come out of the mint raised up around the split - over time the zink pushes up and makes these lumps and bunps? I would assume moisture would be a factor in this but then again I don't know. Thanks all Brent Report this Post to the Staff
steve199 Pillar of the Community United States 1882 Posts	Posted 04/29/2010 10:56 am Is the zinc exposed between the letters and the rim? I thought that was just too much reflection, just like the light shining of Lincoln's head. Report this Post to the Staff
mikediamond Pillar of the Community United States 2737 Posts	Posted 04/29/2010 10:59 am The low swelling just inside the rim is an expression of Die Deterioration. The blisters above the letters are a combination of split plating and subsurface corrosion which has pushed up the copper plating. Error coin writer and researcher. Report this Post to the Staff
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