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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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2020-P Roosevelt Dime DDR Error (???)

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  • #1

    2020-P Roosevelt Dime DDR Error (???)

    I have researched this Variety or Error, I still get those mixed up, and could not find this one. Could someone take a look at this and let me know if they have seen this one. I have been collecting coins for many years, I am kinda new to the Error and Varieties collecting. Thank you so much!
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    • #3
      Sorry, but this is not hub doubling. It is Machine doubling as it cuts into the normal flame. Isolated MD like this is real hard for some to accept, but it does happen. Since this area is one of the high points of the coin, it is a bit more susceptible to MD.
      Bob Piazza
      Lincoln Cent Attributer

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      • #4
        Bob, thank you so much for your evaluation, I just have one question, will the MD happen the same way on multiple coins as I have a few of them with the same issue. Please do not take this as a challenge, I'm just looking for the knowledge so I done repeat a mistake. Thanks again.

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        • #5
          That is actually a very good question and is asked frequently, MD can look the same. Even though the die is loose, it may be such a small amount that the MD looks the same. It may also actually be a bit different, but that would only be seen under strong magnification.
          In some instances, if the die loosens up during the striking process, the MD can be all over the place. Remember that hundreds of thousands of coins can be struck from any single die pair. Based on struck numbers alone, the chances of finding similar errors is pretty good.
          Bob Piazza
          Lincoln Cent Attributer

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