Discussion in 'Coin Chat' started by Gigi63, May 22, 2019.
To my understanding 2.5 is zinc and 3.1 is copper.
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Coins have a slight plus or minus difference in weight varience.. 2.7 is just a little bit more for the correct weight of a Zinc.
And obviously 1983 is the second year of the Copper plated zinc cent.
This is not true. A number of 1983 cents have been discovered on copper planchets. And a few later dates than that as well.
One of the off metal copper cents was a little light (2.9 or so).
I am not saying this one is copper, but it could be copper on a thinly rolled planchet. I would get a much more exact scale to the hundredths.
The copper coated zinc cents is 2.50 plus or minus 0.10 grams or 2.40-2.60 grams.
In between 2.60 - 2.98 , you might need specialized instruments such as XRF to test, and 99.99% will not be what a person wants. Put it away for 10 years and your cell phone may have a free app. Jim
It was my understanding, that even though lighter, the zinc cents had the same
+/- .13 tolerance. Has this been updated to .10? Thank you.
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