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1980 D Kennedy Half Dollar Weighs The Same As The 1965-1970

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United States
2 Posts
 Posted 01/10/2014  01:13 am Show Profile   Bookmark this topic Add candypants1982 to your friends list Get a Link to this Message Number of Subscribers
Hey to anyone that can offer me some help in this situation. Upon searching through a $500 box of bank rolled halves, I was frustrated not to find a single silver coin. Refusing to be completely skunked, I began weighing every coin. Out of 1000 coins, one weighed between 11.5 and 11.6 grams. (my scale only does one decimal point.) It was a 1980 D Kennedy half. Upon reading in the "strike it rich with pocket change" book, I noticed a 1971 D Kennedy half that was struck accidentally on a 40% silver planchet. The book says this type of error weighs 11.5 grams instead of 11.3 grams. It also says that you cant tell its silver just from the edge. I did a specific gravity test to the best of my understanding, and it all came out equal to a 1968 40% silver half. Here are some photos. It is thicker than the silver coin but basically, I know there is something wrong with it, but what. And what is it worth? Is it rare? Heres those pics any help is appreciated.

1980-D-Kennedy-Half-Dollar-Weighs-The-Same-As-The-1965-1970

1980-D-Kennedy-Half-Dollar-Weighs-The-Same-As-The-1965-1970

1980-D-Kennedy-Half-Dollar-Weighs-The-Same-As-The-1965-1970
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United States
2 Posts
 Posted 01/10/2014  01:17 am  Show Profile   Bookmark this reply Add candypants1982 to your friends list Get a Link to this Reply
Oh, sorry.... I was wrong. This is a 1980 P Kennedy half, not a 1980 D.
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kanga's Avatar
United States
5825 Posts
 Posted 01/10/2014  08:54 am  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
According to the Red Book the weight difference between a silver clad Kennedy and a CuNi clad Kennedy is only 0.16 gm (11.50gm vs. 11.34gm).
A scale with the accuracy of yours could easily make the coins appear to be the same weight.
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