Rare to see a toned gold coin

Discussion in 'World Coins' started by goldrealmoney79, Aug 29, 2020.

  1. goldrealmoney79

    goldrealmoney79 Active Member

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  3. Mountain Man

    Mountain Man Well-Known Member

    Same as before, I don't do links. Couldn't you take the time to post the actual coin?
     
  4. cpm9ball

    cpm9ball CANNOT RE-MEMBER

    I don't bother with links to other places.
     
  5. GDJMSP

    GDJMSP Numismatist Moderator

    Your choice of course, but it's a safe link, checked myself - a completed ebay link. And you also have to realize that it's not his picture. So posting a link or linking to the picture is what members are supposed to do - as per forum rules.
     
    sel w, goossen, capthank and 13 others like this.
  6. Jaelus

    Jaelus The Hungarian Antiquarian Supporter

    That's a real beauty. Someone will be very happy with that coin for sure.
     
    sel w, YoloBagels and tibor like this.
  7. fretboard

    fretboard Defender of Old Coinage!

    Yep, monster toned beauty! :D
     
    sel w likes this.
  8. hotwheelsearl

    hotwheelsearl Well-Known Member

    I took one for the team.
    Sold for $2399. NGC AU 58
    edited
     
    Last edited by a moderator: Aug 30, 2020
    YoloBagels, capthank, Stork and 3 others like this.
  9. John Conduitt

    John Conduitt Well-Known Member

    I don’t normally care for colourful toning, but that looks good. Although gold can tone I imagine those colours are from the .125 alloy.
     
    sel w and capthank like this.
  10. J.T. Parker

    J.T. Parker Well-Known Member

    Thanks hotwheels,
    I too, like this coin!
    (And the bust of old FERNANDO does not make him look like an inbred dork)
    A-Huck,
    T.T.
     
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  11. ddddd

    ddddd Member

    That is from @jwitten and he has an amazing collection of toned gold. :)
     
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  12. jwitten

    jwitten Well-Known Member

    Yep, that one used to be mine. I wish I was rich enough to never have to sell a coin, lol. Congrats!
     
    Chris B, tibor, baseball21 and 2 others like this.
  13. Stork

    Stork I deliver

    I like it a lot. I'm not interested in sketchy links, but an ebay link (and well reflected by the URL posted) is not worrisome IMO. That said, it is nice to just look at the photo.

    As for the forum rules @GDJMSP I'm guessing if attributed okay? Or what about a screenshot clearly identified? Personally I'd want to stay on the side of preserving intellectual property.

    Oh well, for the OP though, that is a really neat coin. If it was my series and I'd seen it, I would have gone for it.
     
    capthank likes this.
  14. GDJMSP

    GDJMSP Numismatist Moderator

    The only way to do that is by using that ebay link, or by linking to the picture. Anything else is a copyright violation. That's simply the law. There are no exceptions, there is no other way, short of getting written permission from the owner of the pictures.

    To link to the picture you use the Image icon in the posting box tool bar, the icon to the immediate right of the smiley face. When you click on that icon you see this -

    upload_2020-8-30_12-0-29.png


    Then you merely insert the link to the pic and click on the Insert button. Doing that results in this -

    [​IMG]


    A perfectly and completely legal way to do it.

    What @hotwheelsearl did in post #7 violates copyright law, and forum rules. Which is why his post has been edited.
     
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  15. hotwheelsearl

    hotwheelsearl Well-Known Member

    Understood, it won’t happen again. Sorry for not reading up on the rules.
     
    capthank likes this.
  16. robinjojo

    robinjojo Well-Known Member

    I've seen toned gold coins, mostly 8 escudos cobs. The toning, such as it is, tends to be reddish. I've never seen blue before on a gold coin. If it was a silver coin, that color would be expected.

    Pure gold does not tone or tarnish. It is the alloy, usually copper, that can create the red hues. I've also seen old US $20 coins from the 19th century with a greenish cast. Again, I think the copper used for the alloy causes this type of toning.

    The blue areas on the coin are unusual, I think. Perhaps they were caused by something that the coin came into contact with. Some old envelopes were high in sulfur, such as the manila paper envelopes, so that might be a cause.

    Another possibility is that the coin has silver as its alloy, instead of copper. If that is the case, then blue toning could occur.
     
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  17. hotwheelsearl

    hotwheelsearl Well-Known Member

    That’s still odd even if silver. Does that mean there is a higher concentration of silver in those specific areas? I thought alloys like this were well-mixed.

    On that note, why don’t electrum coins seem to tone blue?
     
  18. robinjojo

    robinjojo Well-Known Member

    Sulfur is the only chemical that I know of that can create the deep blue to almost black toning for silver.

    You can actually induce this color by exposing a silver coin to something with sulfur in it, such as storing a coin in a manila paper envelope.

    Also, there's liver of sulfur (nasty stuff to handle), which, depending on the concentration, can induce blue to black toning. In lighter concentrations, a yellow to bronze color can be created. Also, coins treated with liver of sulfur tone even more, even if the solution is well washed off. It seems that exposure to liver of sulfur creates a reaction well past the treatment.

    In the end, it is usually best to leave toning to nature and time.
     
  19. robinjojo

    robinjojo Well-Known Member

    Here's an 8 escudos from Lima, 1750, assayer R, and salvaged, that has a somewhat reddish color.

    27.0 grams

    D-Camera Lima 8 escudos, 1750, Assayer R, 8-30-20.jpg
     
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  20. hotwheelsearl

    hotwheelsearl Well-Known Member

    I feel like the red looks somewhat more natural, and the blue toning looks relatively more contrived.
     
    robinjojo likes this.
  21. robinjojo

    robinjojo Well-Known Member

    I agree. It is odd to see this color of toning on a gold coin.
     
    hotwheelsearl likes this.
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