What are the marks near the edge?

Discussion in 'Error Coins' started by goossen, Jun 11, 2020.

  1. goossen

    goossen Senior Member

    Particularly noticeable between 5:30 and 7:00
    2baht_2006.png
     
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  3. Insider

    Insider Talent on loan from...

    Take a round toothpick and put a drop of water on your coin at 6 OC. Touch the drop of water down to the spot and see if it dissolves.
     
    Kentucky likes this.
  4. Kevin Mader

    Kevin Mader Fellow Coin Enthusiast

    Finning perhaps.
     
    spirityoda likes this.
  5. Fred Weinberg

    Fred Weinberg Well-Known Member

    Not finning - I can't tell if it's just extra
    schmootzem - hard to tell from the photo
    because that 'stuff' looks much lighter than
    the coins surfaces or rims - I think 'something'
    was on the coin, and I'd guess it was after the
    coin was struck.

    It doesn't look like it was there when the coin
    was struck, based on what I can see in the photo

    A few (few) more photos, closer up, maybe a
    slightly different angle, might be helpful.
     
    Kentucky likes this.
  6. goossen

    goossen Senior Member

    Thanks!
    water didn’t dissolve it. But probably you guys are right and it’s some kind of dirt or pmd.
    The coin is AU through.
     
  7. Kentucky

    Kentucky Supporter! Supporter

    Should we add that to our coin terms... :)
     
  8. Insider

    Insider Talent on loan from...

    Check out the inside rim at 1 o'clock. Sometimes, when a coin is struck, a thin layer of metal is smashed down next to the rim. It is the same color as the coin. Now look at the other parts of the rim where what looks like a "rounded residue" of a different color is present. I believe something will dissolve it away. If it is a deposit of some kind, I could remove it very easily but I need to be careful giving advice how to do it so the coin is not damaged. Gently push down on the off color area with your fingernail. :)
     
    goossen and Kentucky like this.
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