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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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1973 Peru 1 Sol De Oro DDO (Or MD?)

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  • HeartWith02
    replied
    It just takes time, learning and knowing what you're looking at. Years ago, I jumped out of my skin when I first saw these MD coins! LoL!!

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  • TreasureTownYT
    replied
    Originally posted by HeartWith02 View Post
    Yes, Machine Doubling.
    Thanks! Bummer but will make the next find more exciting.

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  • HeartWith02
    replied
    Yes, Machine Doubling.

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  • TreasureTownYT
    started a topic 1973 Peru 1 Sol De Oro DDO (Or MD?)

    1973 Peru 1 Sol De Oro DDO (Or MD?)

    Not sure if this is a DDO or machine doubling... either way, a fun find to make, though I don't know the design well enough to be able to discern if it's a variety or just machine doubling. Thank you in advance!
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