74 Three cent with small green spot

Discussion in 'US Coins Forum' started by COOPER12, Dec 15, 2021.

  1. COOPER12

    COOPER12 Well-Known Member

    39C4C18A-7E05-40AC-A611-7DF99235ABD9.jpeg EABF3591-6041-430F-AC5D-FFFF3437F99C.jpeg 148C5649-66BF-486A-B54F-623BA3748BA6.jpeg I won this otherwise nice 74 three cent nickel . Price seemed decent but looks like there was a Peace of lint in the slip and now there is a small green circle. Is there anyway to get rid of it or at least stop it from spreading ? It’s very hard to see unless you look with a loop . I’m not grading it but seems like slot of these straight graded three cent nickels have this .
     
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  3. GH#75

    GH#75 Trying to get 8 hours of sleep in 4. . .

    Try an acetone bath. It should stop it from growing. But so far, its hardly noticeable.
     
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  4. Publius2

    Publius2 Well-Known Member

    The "nickel" 3-cent piece is only 25% nickel. The remaining 75% is copper. So, your green spot is a form of copper corrosion and you may want to address it before it spreads. There are a number of remedies to slow or stop it. There are innumerable threads on this site on the topic with recommendations. In addition to this forum, search the "Coin Chat" forum.
     
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  5. Mr.Q

    Mr.Q Well-Known Member

    You have a great looking coin there, be careful how you care for it. Clean it, seal it, enjoy it. Show us the result, thanks.
     
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  6. Michael K

    Michael K Well-Known Member

    Verdicare?
    If it is verdigris I don't think acetone will remove it.
    But maybe it's something else and it will.
    Post, post acetone photos please. Thank you.
    I would hazard a guess that this coin has been cleaned some time in the past.
     
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  7. COOPER12

    COOPER12 Well-Known Member

    Maybe but it has a nice golden color to it . Photos in my big window make everything look dipped haha. No one has Verdi care but that’s what I was thinking to try but I guess acetone wouldn’t hurt.
     
  8. Michael K

    Michael K Well-Known Member

    I don't mean dipped. It's just that there are so many old coins, and you know all of them were not protected properly for 150 years, and yet they are "super" clean.
    Acetone should not hurt. I don't know what that green stuff is. The coin has 75% copper in it, so I figure it's oxidized copper/verdigris etc.
     
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