1983 D Lincoln Memorial Cent / LMC . Repunched Mint Mark / RPM New Demonstration By Pics. Give Me Your Opinion Masters

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Author	Replies: 8 / Views: 841
Bate Pillar of the Community United States 1937 Posts	Posted 07/27/2018 03:35 am I post this coin before and everyone said this is Zinc rotten or die chip. Then, I bathed him with acetone and still not go away that extra bar underneath of mint mark. After keep it for awhile to see if it rotten or explored, luckily, it is not. Today I have some idea maybe can explain why it is there and no one listed out there Here is the original you can see the straight little bar on the original connect with the extra bar Here is the one with duplicated mint mark on the side Here is the one with mint mark re punchPerfecto Report this Post to the Staff

Crazyb0 Rest in Peace 10197 Posts	Posted 07/27/2018 11:06 am A lengthy explanation is due. It is indeed a split plating issue as Coop has diagrammed it. What happens is when the metal of the device is squeezed under TONS of pressure into an extremely tiny space, the thinner copper plating is stretched. At the edge, where outreaches refuels level is the weakest tensile point. It can rip, or begin to perforate (holes), sometimes microscopically in size up to a tear visible to the eye. Once any opening to the zinc core becomes exposed, the corrosion process begins. Dependent on the material exposed to is what determines rate of deterioration. Air is minimal, skin oil very corrosive. Yours started as a slight rip or tiny hole, and progressed to a bump. It may take years more to "drop off" as Coop showed. Report this Post to the Staff
Bate Pillar of the Community United States 1937 Posts	Posted 07/27/2018 11:28 am Report this Post to the Staff
Chase007 Pillar of the Community United States 7516 Posts	Posted 07/27/2018 11:46 am What's so funny? please share with us. Report this Post to the Staff
Bate Pillar of the Community United States 1937 Posts	Posted 07/27/2018 12:56 pm Chase007 Quote from Crazyb0 "It may take years more to "drop off" as Coop showed" that make me laugh..I love the funny comment. Anything is possible. We ,as a coin collectors, not like anybody else we looking for the imperfection. People try to keep thing getting perfectly but we don't. When we find errors we are happy. So, we have to be happy all the time when we go to this hunting even we are wrong or any new idea, we have to take in consideration with fun and joyfulness. I just think about too many years ago if no one would look into the errors coins and found down the beauty of imperfection then we would not have this hobby to enjoy now. Cheers. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 07/27/2018 12:58 pm Also bathing it is acetone dried it. If it is now kept in a dry environment the rotting process will be GREATLY slowed. (It won't stop because there is always some water vapor in the air and that will be enough to let it proceed very slowly.) Report this Post to the Staff
Chase007 Pillar of the Community United States 7516 Posts	Posted 07/27/2018 1:50 pm Now we know Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 75042 Posts	Posted 07/27/2018 2:06 pm Quote: A lengthy explanation is due. It is indeed a split plating issue as Coop has diagrammed it. What happens is when the metal of the device is squeezed under TONS of pressure into an extremely tiny space, the thinner copper plating is stretched. At the edge, where outreaches refuels level is the weakest tensile point. It can rip, or begin to perforate (holes), sometimes microscopically in size up to a tear visible to the eye. Once any opening to the zinc core becomes exposed, the corrosion process begins. Dependent on the material exposed to is what determines rate of deterioration. Air is minimal, skin oil very corrosive. Yours started as a slight rip or tiny hole, and progressed to a bump. It may take years more to "drop off" as Coop showed. Errers and Varietys. Report this Post to the Staff
Waynoah83 Pillar of the Community 586 Posts	Posted 07/27/2018 5:40 pm At the end of the day these are all opinions Report this Post to the Staff
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1983 D LMC. RPM New Demonstration By Pics. Give Me Your Opinion Masters