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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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UK 20p doubled die?

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  • UK 20p doubled die?

    I'm not normally one for non-US coins but I'm increasingly liking the UK 20p piece, perhaps because I'm a total softie for incuse elements. Was going through a whole bunch of random foreign coins a friend gave me and the last one I looked at was this one, with some rather spectacular what seems like doubling. It can be seen in the thorns of the flower, the crown area, the "20", the leaves and some of the incuse lettering on the edge.

    The first image here is the thorns, the 2nd is the crown, the 3rd is the leaves and the 4th is the N in "TWENTY". Will be including an overall shot of the coin in a 2nd post in this thread. I did the images up with a normal one of the same year, the doubled one on the left, the normal one on the right. Based on the thorns I'm willing to go out on a limb and guess this is a doubled die, agree/disagree?
    Attached Files

  • #2
    4 image limit, here's image 5 with the overall view of the coin.
    Attached Files

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    • #3
      It looks like die deterioration doubling to me.
      Mike Diamond. Error coin writer and researcher.

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      • #4
        Even with the separation on the thorns? Or is that just an example of the mechanical doubling you were talking about in the coin world column a while back?

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