Why I don't understand grading

Discussion in 'World Coins' started by Hiddendragon, Dec 7, 2014.

  1. Hiddendragon

    Hiddendragon World coin collector

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  3. jcm

    jcm Active Member

    eeew. It is an ugly one.
     
  4. ace71499

    ace71499 Young Numismatic

    I wouldn't buy that coin even if it was 50% off...
     
  5. GDJMSP

    GDJMSP Numismatist Moderator

    I'm thinking the coin is corroded and has no business being graded at all.
     
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  6. jello

    jello Not Expert★NormL®

    I have to agree this should not have been graded. Heritage and other large submitting companies do get items graded that generally you or I can't.
    Money and high submission is why this was graded. Client must be right or allowed is the reason.
     
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  7. Hiddendragon

    Hiddendragon World coin collector

    And not just that they got it graded, but such a high grade. How does that happen?
     
  8. mlov43

    mlov43 주화 수집가

    What is with the uneven coloring? The coloring looks a little like the surface of the coin had chipped/peeled off, but... Dang, that does look corroded!

    But, doesn't (ugly) toning look like this, too?
     
  9. physics-fan3.14

    physics-fan3.14 You got any more of them.... prooflikes?

    That doesn't look corroded, not at all. It's just an irregular (and somewhat unattractive) toning pattern. The rest of the coin looks to be of superior quality - good strike, and very few marks.

    To me, that looks like a 65 that was downgraded a point for negative eye appeal. I see absolutely nothing wrong with this being graded this way.
     
  10. Hiddendragon

    Hiddendragon World coin collector

    The details are nice but it is so ugly that I wouldn't want it in my collection.

    It sold for $23, by the way.
     
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  11. Numismat

    Numismat World coin enthusiast

    You can get a raw UNC with better eye appeal for $10, even less if you keep an eye out
     
  12. GDJMSP

    GDJMSP Numismatist Moderator

    It doesn't ?

    Look at the surface of the bust -

    [​IMG]


    Now look at what the surface looks like on an example that is not corroded looks like -

    [​IMG]


    And another -

    [​IMG]


    Now some may wish to say that coin is not corroded, but I sure as heck wouldn't !
     
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  13. physics-fan3.14

    physics-fan3.14 You got any more of them.... prooflikes?

    No Doug, I still wouldn't say its corroded.

    The pictures you posted are blurry and wouldn't show a textured surface (I'm not familiar with the series, but it is not unbelievable that the portrait is textured). At least one of the comparisons you posted is clearly circulated and polished. There is no way to compare these coins to what I am assuming is an early die state, but in any case has vastly superior pictures.

    And despite what you may claim, I am going to tend to believe the in-hand professional opinion of the graders at NGC over your blurry picture comparisons. Every single time.
     
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  14. H8_modern

    H8_modern Attracted to small round-ish art

    That's two different coins. The slab shot shows a diagonal line of toning that isn't present on the close up shot.

    Nevermind, I looked at it longer and it is the same. I guess that's why we shouldn't use such powerful magnification to look at coins.
     
  15. Jwt708

    Jwt708 Well-Known Member

    All sorts of weird things can be seen. Check out the Error Section.;)
     
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  16. GDJMSP

    GDJMSP Numismatist Moderator

    And what if it was somebody other than me who said it Jason ? Would you still believe the plastic ?

    Go look up the coins yourself, the bust does not have a textured surface on any of them, this denomination of the others. That is a textbook case of corrosion.
     
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  17. physics-fan3.14

    physics-fan3.14 You got any more of them.... prooflikes?

    It doesn't matter who said it. I am usually going to believe the in-hand evaluation of the professional graders above the speculative prognostication of armchair graders, judging by comparisons with blurry pics.
     
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  18. brg5658

    brg5658 Well-Known Member

    I don't see corrosion, but I see an unattractively toned coin. The coin is 90% silver, and who knows under what conditions it may have been stored for the past 108 years.

    I think Doug is comparing apples and oranges by posting pictures of clearly polished/cleaned examples. All I see on the bust of the OP-posted coins is satiny "fresh from the mint" luster with 100+ years of toning on top.

    There are plenty of unattractive properly graded coins in plastic of all flavors. Just because a coin is ugly doesn't mean it isn't properly (technically) graded.
     
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  19. brg5658

    brg5658 Well-Known Member

    PS -- the coin sold for less than $23. Is that really "racking up the bids"??? :confused:
     
  20. GDJMSP

    GDJMSP Numismatist Moderator

    For the sake of clarity, I am not talking about the toning. I am talking about the very rough and grainy surface of the bust in the OP's pictures. That coin, when it was struck, did not have that rough texture on the bust. The surface is that rough and grainy looking because it has been corroded.

    And when you start preferring to believe what it says on the plastic instead of your own eyes, well they have a name for that behavior, but let's just say that it is not a good idea.
     
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  21. brg5658

    brg5658 Well-Known Member

    You don't know that for a fact. LOTS of world coins have what you're calling a "grainy" look -- that does not in any way imply corrosion. That kind of "micro-porosity" satiny luster look is all over the place on Morgan Dollars, are they all "corroded"? Doug, I think you're drawing at straws on this one.

    Below is a Portugal coin in my collection that has a bit of this "porosity" look to it. It has nothing to do with corrosion, and everything to do with the preparation of the planchet, the state of the die, and the completeness of the strike.

    [​IMG]
     
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