Magnetic 1994 Lincoln Memorial Cent / LMC - ID Request ?

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Author	Replies: 6 / Views: 1,339
mdpmedia Pillar of the Community United States 3546 Posts	Posted 10/08/2012 03:27 am Hello, I have this shiny gold toned 1994D LMC that actually sticks to a rare earth magnet. The strength of the magnetic attraction, however, is much less compared to that of a normal zinc plated steel 1943 wheatie. The weight of the 1994D LMC is 2.55 grams on a calibrated scale. Attached is a picture of this coin adjacent to a 1997 LMC which is obviously thinner compared to the 1994D LMC. One of the photos shows a tilted cross sectional view displaying the heightened edge collar of the 1994D LMC. This elevated collar shown in focus in the upper section of the last photo in this series is the farthest portion of the coin from the USB camera lens. What do I have here? Thanks, mdpmedia Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 10/08/2012 06:21 am My first thought is that it is plated. John1 Report this Post to the Staff
tzarmarko Pillar of the Community 614 Posts	Posted 10/08/2012 08:18 am It looks to be a bit me than just plating. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 10/08/2012 11:44 am Please elaborate. John1 Report this Post to the Staff
pls Rest in Peace United States 1729 Posts	Posted 10/08/2012 12:50 pm Looks like one of the cents we'd coat with mercury in third grade. Back then we'd probably play with rattlesnakes if we had one available to scare girls with. We weren't too bright. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 10/08/2012 1:35 pm Quote: Attached is a picture of this coin adjacent to a 1997 LMC which is obviously thinner compared to the 1994D LMC. Using the thickness of the rim is not an optimal measurement. Rim thickness is a function of striking pressure, a stronger strike will create a thicker rim. Notice the rounded appearance of the 1997 rim- that one was a weakly struck coin. Your weight is within tolerance and I see only shine, not luster, so it most likely received a post-mint plating. Report this Post to the Staff
mdpmedia Pillar of the Community United States 3546 Posts	Posted 10/10/2012 03:40 am So a few questions still remain: 1) What type of metal is most likely causing this penny stick to a magnet? 2) Since the surface of this coin is attracted to a magnet how did the details of this penny remain so crisp on the new surface material? 3) Would the center of this coin most likely be composed of the original 97.5% zinc, 2.5% copper mixture that normal LMCs possess? 4) Would this assumedly 'plated' penny have any extra value whatsoever over and above one cent? Thanks, mdpmedia Report this Post to the Staff
	Replies: 6 / Views: 1,339

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Magnetic 1994 LMC - ID Request ?