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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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Us mint experimental rinse

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  • #1

    Us mint experimental rinse

    I have a 2001 p. Sacajawea one dollar coin.
    The U. S mint experimental rinse anti- tarnishing error. Caused the damage to my coin.
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    Tags: coin, doubled die, errors
  • #2
    Mint experimental anti tranishing error rinse.

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    • #3
      And it appears that this rinse error exposed mint die mart errors-next to the right of the p mint mark. This rinse error has also exposed the obverse as a DDO as it appears to be doubling in the motto (In God We Trust). And The Reverse appears to be a DDR. See the E Pluribus UNUM, with a die mark next to the m in unum. And the tails tdr is also shows doubling.

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      • #4
        How do you know this particular coin is the result of the rinse error? I do agree that there were about 2500 coins that were made with this rinse. I have linked the article about it so other members can have a look at what you are thinking this is. This coin is circulated, and as such, I would attribute what you are seeing to circulation damage. Since you have the coin is hand, you have a much better ability to see color changes. It would need to be verified as most were authenticated, but because it is well circulated, I don't know if it can be.

        http://www.smalldollars.com/dollar/add002.html
        Bob Piazza
        Lincoln Cent Attributer

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