1982 copper and zinc pennies

Coins4Cheese

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Jun 30, 2009
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Japan
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You could use a Ryedale penny sorter. It sorts zinc from copper. I think it uses a tiny metal detector. But if you don't have one, telling the difference is going to be tricky. Maybe you could see if the color is different, or if it makes a different sound when dropped :dontknow:.
 

Diver_Down

Silver Member
Dec 13, 2008
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St. Augustine, FL
The sound will tell the difference, but you can also study the planchet. Copper 82's will always have a defined rim. The zincolns have a flat rim that blends with with the field. Not 100% foolproof, but fairly accurate in my experience.
 

cdltpx

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Jul 6, 2009
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Galvez La 70769
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Air test with a metal detector? Bounce on the table gives sound. You could place it in sulfuric acid if it is zink you will have only minute wafers that look like a penny but it is just the copper shell.
 

FingerGrime

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Mar 3, 2009
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Kentucky
Drop them and see if they make a ringing sound or not. The ones that ring are coppers. I made my own scale with a tongue depressor and a fulcrum (I used a mechanical pencil eraser holder that I had laying around). Just tape or glue the fulcrum about in the middle of the tongue depressor and put coins on both sides to determine which is heavier.
 

bula

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Mar 13, 2008
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I had the same question so I looked on the net. Then I got out my reloading scale and weighed them. The copper weighs 49 grains & the zinc 38 very simple to tell the difference. Now if you can tell me how to tell between a large & a small date without having one to compare I will be happy.
 

mick56

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Jun 2, 2007
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I made a scale out of a popsicle stick with a nail glued in the center. Cut the head off the nail. Put a pre 82 penny on one side, and then it is very easy to tell a copper from a zincoln.
 

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bula

Hero Member
Mar 13, 2008
606
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southern utah
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user244075 said:
Mick56 I like your scale, very simple.
For those of us that do pennys, I found a site that is very helpful. If you have not found it yet go to
lincolncentresourse.com
There is a lot of info on this site.
 

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twinsrule

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Dec 26, 2009
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Thanks for the answers
bula: the small dates are small, and the large dates are sort of thicker and more bold. I have found way more large dates.
 

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