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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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1980 LMC Coneca DDO-001

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  • 1980 LMC Coneca DDO-001

    Your inputs are appreciated.
    IMG_3077.jpg IMG_3081.jpg
    IMG_3084.jpg IMG_3095.jpg IMG_3099.jpg IMG_3093.jpg IMG_3088.jpg IMG_3089.jpg

  • #2
    In my opinion, it is not a ddo. The images on variety vista show a much thicker 1 and 9 on the variety vista website. The example you are showing appears to be machine doubling, in my opinion. It is lower, shelf like and does not appear to be the example on variety vista.

    There is no mention of doubling on GOD or WE...
    Description: Strong spread on LIBERTY, coat, and date

    The attributers tell people where the doubling occurs, because that is where they see it on the coins they have examined. Its a steel die that mak8es these coins and where there were multiple impressions on the die is set in steel......... the doubling does not move locations.
    Gary Kozera
    Website: https://MintErrors.org

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    • #3
      Originally posted by MintErrors View Post
      In my opinion, it is not a ddo. The images on variety vista show a much thicker 1 and 9 on the variety vista website. The example you are showing appears to be machine doubling, in my opinion. It is lower, shelf like and does not appear to be the example on variety vista.

      There is no mention of doubling on GOD or WE...
      Description: Strong spread on LIBERTY, coat, and date

      The attributers tell people where the doubling occurs, because that is where they see it on the coins they have examined. Its a steel die that mak8es these coins and where there were multiple impressions on the die is set in steel......... the doubling does not move locations.
      Thank you, the question I have now is, just for my education sake, how could a late die state (last use) affect the original DD. I know it is an opinion question, but I do appreciate your opinion.

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      • #4
        how could a late die state (last use) affect the original DD
        The late die state is the condition of the die when it struck that coin. When a die is new (or early die state), the devices are all crisp and sharp. A doubled die would appear sharp as well. As the die continues to strike coins, it wears more and more. This leads to die deterioration, where all the device's sharp edges get mushy in appearance. In addition, die flow lines begin to form on the surface, and this gets transferred to the coin also. Ultimately, this mushiness affects the look of the doubled die as well. You should still be able to see it, but it won't be as sharp and as readily identifiable.
        Bob Piazza
        Lincoln Cent Attributer

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        • #5
          Then, add in wear and circulation damage, and things get harder to identify it as a doubled die. These dies made of steel are striking thousands to hundreds of thousands of coins. Its a metal vs metal event there. Nothing stays perfect in this process. As coins get worn down due to circulation, the VF grade or lower, it takes a pretty recognizable doubled die to see it. All the hints of a cookie cutter style line may be gone that showed the separation between impressions. You may be left with what appears to be a slightly thicker letters, numbers or other devices. The majority of the markers and pick up points (pups) may be gone as well for that die stage.
          Last edited by MintErrors; 10-04-2022, 12:57 AM.
          Gary Kozera
          Website: https://MintErrors.org

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          • #6
            Thank You

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