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1965 Magnetic Silver Colored Penny

 
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 Posted 04/18/2017  10:39 pm  Show Profile   Check spruett001's eBay Listings Bookmark this reply Add spruett001 to your friends list Get a Link to this Reply
Hmmm...

That seems to be too heavy to be a plated copper cent.
Tantum religio potuit suadere malorum.
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Bedrock of the Community
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 Posted 04/19/2017  12:14 am  Show Profile   Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
Copper cents are 3.11g with a percentage of error, if plated it could be over 3.5 grams and OP's scale rounds up.





These two coins are bright & shiny, the one on the left is coated with a chrome/steel mix and is very magnetic, the right 45 is most likely a softened nickel base coating and is only slightly magnetic
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United States
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 Posted 04/21/2017  10:52 am  Show Profile   Bookmark this reply Add l Serenity l to your friends list Get a Link to this Reply
Posting from a computer this time.

Ok, so I got my science professor to lend me their scale. (Guessing it would be more accurate than my pinewood derby scale at home.)

Unusually It weighed 3.1 grams.

Out of speculation between my two measurements I decided to weigh something you might have to compare my accuracy.
(I believe my scale at home weighs up even if it is .1g up which is why the previous weight was 4g)

To double check all measurements I removed the item being measured reset the scale and weighed them again. Same result for the 3 trials.

If it was plated how could it weigh the same & still be magnetic
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 Posted 04/22/2017  12:15 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Coins have tolerance ranges for production. A regular copper cent can weigh anywhere from 2.98 grams to 3.21 grams withthe mint shooting for 3.1 grams. A typical plating will add about .05 grams to the coin. The scale you are showing is accurate to one decimal point so if the cent has just slightly below the target weight of 3.1 grams say 3.07 grams and you add a .05 gram plating it would weigh 3.13 grams and the scale rounds that to 3.1. But the coin would still be attracted to the magnet.
Gary Schmidt
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 Posted 04/23/2017  01:08 am  Show Profile   Bookmark this reply Add l Serenity l to your friends list Get a Link to this Reply
So without damaging the coin is there a way to test if it is plated?
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 Posted 04/23/2017  02:13 am  Show Profile   Check spruett001's eBay Listings Bookmark this reply Add spruett001 to your friends list Get a Link to this Reply
At this point, I don't think there's a need to confirm the plating with a test. The new weight highly suggests a plated copper cent. That would not be uncommon but, I'm glad you approached it in this way without making too many assumptions.
Tantum religio potuit suadere malorum.
-Lucretius

"Just because you're paranoid don't mean they're not after you."
-Kurdt Kobain

My Want List: http://goccf.com/t/282022
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 Posted 04/23/2017  02:58 am  Show Profile   Bookmark this reply Add cwb to your friends list Get a Link to this Reply
It appears to be a plated Copper cent.

You could do a home specific gravity test to know for sure what it is.

The details of how to do the test can be found here: http://www.lincolncentsonline.com/C...%20Zinc.html
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 Posted 04/25/2017  09:54 am  Show Profile   Bookmark this reply Add Wise Schrock to your friends list Get a Link to this Reply
it is surely like a good luck charm
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 Posted 09/16/2019  10:02 pm  Show Profile   Bookmark this reply Add Dubs78 to your friends list Get a Link to this Reply
I found a "silver" 65 also, years ago. Just found it again in one of my old albums. Put it on the scale and it came up as 3.16g. Also, like yours, it's slightly magnetic - using a cheap refrigerator magnet. It's bittersweet to know there's another one out there, but better to have the insight than a false hope of holding something extraordinary.
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 Posted 09/17/2019  08:44 am  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply
Kids in schools everywhere are plating coins with almost anything. This is all your coin is. Just a plated coin. One sure proof would be to melt it down to base metal and if it's Copper, then you only ruined a normal coin. If in fact it turned out to be a rare coin of some sort, well then to late.
just carl
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