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CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

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1977 dime overweight

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  • 1977 dime overweight

    IMG_1705166936898.jpg I've weighed it on 3 different scales which I recalibrate regularly and it weighs 2.32 each time. from the little I know this Seems unusual. Am I wrong and this considered normal or why would it be this heavy even more so for an older coin well circulated. I would assume if anything it would be a little underweight if anything.
    thanks
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  • #2
    A normal clad dime is 2.268 grams. In my opinion, this dime is just slightly over. I think it's within tolerance.
    Gary Kozera
    Website: https://MintErrors.org

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