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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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Wrong Sized Blank Used in 54 D Lincoln Cent

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  • Wrong Sized Blank Used in 54 D Lincoln Cent

    I've found a 1954 D Lincoln cent created with a blank that was not the correct size. The normal penny has a 19mm overall diameter and a 1.5mm overall thickness. This penny caught my immediate attention as it was extremely thin. It measures 18mm in diameter and .5mm thick. It has not been ground in any fashion, the details are all present, but the outer rim is missing completely.

    I also located a 1914 Lincoln where the measurements appear incorrect. This one is 18mm in diameter and 1mm in thick.

    Can anyone direct me to any references to any similar error?

  • #2
    In my opinion, it would have helped if we had full obverse and reverse photos of a coin. Coneca staff usually tells us one coin per post. It helps cut down on confusion and makes searches more accurate.

    60 pages of data. Match the year, with the mint that produced the coin, then worry about size and weight.

    https://minterrornews.com/news-5-13-..._the_mint.html
    Last edited by MintErrors; 07-27-2023, 11:47 PM.
    Gary Kozera
    Website: https://MintErrors.org

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