1975 Cent - Coin Community Forum

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Author	Replies: 7 / Views: 1,195
baktun20 New Member United States 31 Posts	Posted 06/11/2008 7:52 pm Does anyone know what might make a 1975 Lincoln Cent slightly magnetic and yellowish in color? I will be able to take pictures and weigh the coin this weekend if anybody thinks that that would help identify the coin in question. Thanks Report this Post to the Staff

coop Bedrock of the Community United States 62064 Posts	Posted 06/11/2008 7:57 pm Gold plating? I know I have a chrome plated one and it is slightly magnetic. If you stand it up and place a magnet close to it, it will fall over. I don't know what other yellow color would make something magnetic? Maybe someone else has a suggestion? Report this Post to the Staff
foundinrolls Pillar of the Community United States 3507 Posts	Posted 06/11/2008 9:53 pm A picture will say a thousand words:-) Thanks, Bill Report this Post to the Staff
mikediamond Pillar of the Community United States 2734 Posts	Posted 06/12/2008 08:47 am Some Magician's coins are attracted to a magnet as a result of a pellet of steel being inserted through the edge. It could also be the result of underlying nickel plating. I have run into a few double-plated coins. It's unlikely to be any sort of error. However, since slag produced during copper smelting has a high iron content, a little bit of embedded slag could produce the effect you see. But generally the slag is visible on the surface. Error coin writer and researcher. Report this Post to the Staff
baktun20 New Member United States 31 Posts	Posted 06/13/2008 6:09 pm Here are the pics of the coin in question. It weighs the normal 3.1 grams for that year and is barely magnetic. Image: 75obverse.jpg 74.92 KB Image: 75reverse.jpg 87.1 KB Report this Post to the Staff
foundinrolls Pillar of the Community United States 3507 Posts	Posted 06/15/2008 01:20 am That coin has indeed been plated. The slight attraction to a magnet is a result of the metal it was plated with. I can't tell you for sure what metals were used to plate the coin but it has the usual appearance of a coin that is plated. Thanks, Bill Report this Post to the Staff
Indian1 Pillar of the Community United States 3640 Posts	Posted 06/15/2008 09:52 am I have had a few coins with that brassy look to them (plating) but none were magnetic. I bet there is a tiny chunk of metal imbedded somewhere in the coin. Maybe stepped on or run over outside once. Use one of those older cassette tape head demagnetizers on it. That may take away the slight sticky problem :) Heres something fun to do to a friend. I used to work at a speaker manufacturing co. back in the 70's and we would magnetize the bulk magnets that came in before they were attached to the speaker chassis. Naturally they are shipped not yet magnetized as that would be a real mess trying to sort them. Grab your coin buddies favorite magnet and demagnetize it. Then throw him a few 43 copper plated lincoln finds (steelies of course) :) That's mean... Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 06/16/2008 03:18 am Probably plated with an underplating of nickel. There aren't too many metals which are magnetic and the only one commonly used for plating is nickel. Nickel is often used as a base plating. Report this Post to the Staff
	Replies: 7 / Views: 1,195

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