corroded coins

Discussion in 'Coin Chat' started by praetorian2000, Jan 24, 2009.

  1. what do i do with them? 2 are buffalor nickles, the reverses are corroded but the obverses are ok. the other is 1881 cent? it's so corroded i can only make out 1881 and the large 1. i have no idea where my parents got them, probably ended up in their pocket change when they were kids. my mother passed all the old coins on to me. some i put back into circulation. but what about these? can they be salvaged? i also don't have any other buffalor nickels or 1881 cents if that's what it is.

    and because they're corroded i keep them separate so they don't infect other coins.
     
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  3. GDJMSP

    GDJMSP Numismatist Moderator

    Kinda depends - is the corrosive material still on the coins ? If it is, it needs removed. What you use to remove it depends on what it is.

    Can you post pics ?
     
  4. Treashunt

    Treashunt The Other Frank

    they can be sold as culls, about 50 cents for the Indian, the buffs? about 7 cents.
     
  5. bhp3rd

    bhp3rd Die varieties, Gems

    olive oil

    Soak then in olive oil for a few weeks - what have you got to lose?
    Ben
     
  6. ok, here they are.
    the 2 on the left are the nickels.
    the one on the right is the 1881.
     

    Attached Files:

  7. hontonai

    hontonai Registered Contrarian

    Hint, hint hint!

    The same size overall picture with the unnecessary white space cropped out give a much larger image of the subject.
     
  8. ok, i cropped out the white space.
     

    Attached Files:

  9. GDJMSP

    GDJMSP Numismatist Moderator

    As for the nickels, soak them in pure acetone and let them air dry. The 3rd coin, not even sure what that is but it's no Indian Head cent. I don't even think it's a US coin.

    Anybody got any ideas ?
     

    Attached Files:

  10. here's a copy of the other side. and no, it's not american. i don't know it's nationality, but based on the little i could see through the magnifier, it ain't american born.
    and since my father is a vietnam vet and ended up with quite a few forgeign coins, there is a chance this one ended up in some pocket change while in vietnam.

    and when you say pure acetone, i take it you don't mean fingernail polish remover? i read a thread on acetone a few months back but couldn't get a clear understanding of whether or not fingernail polish remover is pure acetone or not.
     

    Attached Files:

  11. TheNoost

    TheNoost huldufolk

    No fingernail polish, pure acetone from the hardware store.
     
  12. Fish

    Fish Half Cent Nut

    The mystery coin looks germanic or russian. It's rotated about 80 degrees clockwise from normal rotation. I don't see any cyrillic letters, so probably not russian.
     
  13. HELDEMUNZ are the letters i can make out. they are all next to each other. the L could be a U.
     
  14. spock1k

    spock1k King of Hearts

    i can make out FIDE i am sure it not a chess token though
     
  15. eddiespin

    eddiespin Fast Eddie

    The coin has the look of an Austrian 1 Kreuzer. Look those up on the Internet and you might be able to make out the designs and lettering and identify this. The year fits right in with those.
     
  16. THAT'S IT!!! i googled the coin with the date and saw several pictures that match what i can see. thanks.

    now the question is, to remove the corrosion, do i soak those in acetone also?
     
  17. GDJMSP

    GDJMSP Numismatist Moderator

    To be quite honest with you nothing is going to remove the corrosion. The best you can do is to remove any remaining material that is causing the corrosion. That will stop the coins from becoming more corroded but that's it. What's done is done and those coins are toast - burned toast.

    I only suggested that you even try to soak the coins because they may have sentimental value to you. That said, acetone will only remove any PVC from the coins. If you still see green stuff on the coins after the acetone soak, then you will need to get some Biox to remove any verdigris.
     
  18. covert coins

    covert coins Coin Hoarder

    GD is that acetone like nail polish remover type or is there a different kind????
     
  19. GDJMSP

    GDJMSP Numismatist Moderator

    It has already been said - do not use nail polish remover.

    You want pure acetone. You cna buy it at any hardware or paint store.
     
  20. eddiespin

    eddiespin Fast Eddie

    Yeah, I've got a few of those lying around, someplace, myself, that's how I fingered it. On that corrosion, I'd say you just have to accept the fact, that's part of the coin, now. If you need a harder liquor than acetone, I've used xylene (xylol), which is paint stripper, and a sawed-down tooth brush. Read the warnings on that can first and follow them to the letter!!! But, I wouldn't expect anything outside of very marginal results, at best, removing only whatever foreign material may be clinging on for dear life to that corroded surface.
     
  21. Just Carl

    Just Carl Numismatist

    Consider the following: If the coins in question are not worth a lot of money, then to spend additional money attempting to restore them is rediculous. I suggest just putting those in water and allowing them to sit there for a few days. If that doesn't work, purchasing addtional products will accomplish very little. For example to purchase a can of Acetone would cost about $4 or more. A trip to a store cost money in gas for your car and your time and again, those coins are just not monitarily worth the effort.
    You could search this forum for Acetone and find many post about cleaning and not cleaning coins.
    For any coin in that condition, it would have to be worth something substantial for you to try cleaning. If you want to keep those, wash with water, dry, put in a thing called a 2x2 and seal.
     
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