Coin cleaning advice needed

Discussion in 'World Coins' started by PaulTudor, Aug 18, 2020.

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  1. Kentucky

    Kentucky Well-Known Member

    @DANIEL HENRIQUEZ I want to apologize if I came off as overly harsh in my reply on your post. If you are dealing with coins less than XF, a dry wiping would probably escape notice, however, above this grade, the minute scratches you can introduce to the coin will be visible as you tilt the coin at an angle in a direct light. As an interesting aside, I wear glasses and usually when I get new ones, the old ones are scratched to ....heck and gone. Since reading CT, I try and not wipe my glasses unless I give them a rinse under running water. Recently when replacing them I had an optometrist to express surprise that my old glasses were so free of scratches.
     
    Kentucky, Aug 20, 2020
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  3. hotwheelsearl

    hotwheelsearl Well-Known Member

    I once made the mistake of cheaping out and NOT getting the anti-scratch coating. One day I was taking a shower and some water splashed on the lenses. I used the towel and left a massive gouge on the lens. Since then, I tend to use soap, water and air-drying to prevent that.
     
    hotwheelsearl, Aug 20, 2020
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  4. PaulTudor

    PaulTudor Well-Known Member

    I would like to thank you again for all the info, always happy to listen and learn!
     
    PaulTudor, Aug 21, 2020
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  5. GDJMSP

    GDJMSP Numismatist Moderator

    The part I underlined in your comment isn't "exactly" true.

    Yes, it is true that IF stored properly, then then there will be no more verdigris forming on the coin. But, IF it is not stored properly then there probably will be more verdigris forming on the coin. The key to preventing it is proper storage.

    Verdigris, the green stuff, forming on a coin is what happens when the copper in that coin corrodes. And yes, even most silver and gold coins have some copper in them, that's why verdigris can form on them. However, before corrosion and the formation of verdigris can occur, it is necessary for moisture to be present. And when I say moisture I'm referring to moisture in the air - humidity.

    So, cut off the moisture and reduce the air flow by utilizing proper storage, and there will be no more verdigris forming on the coin.

    But if proper storage is NOT utilized, there is a high probability there will be more verdigris.

    And Paul, @PaulTudor , if you want to know what proper storage methods are, just do a search using those 2 words as your key words, and my user name in the "posted by" line of the search. You'll find what ya need to know.
     
    GDJMSP, Aug 21, 2020
    #24 + Quote Reply
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  6. Kentucky

    Kentucky Well-Known Member

    But be careful about calling Doug's name 3X in a mirror in a dark bathroom...
     
    Kentucky, Aug 21, 2020
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  7. PaulTudor

    PaulTudor Well-Known Member

    Good to know :)
     
    PaulTudor, Aug 21, 2020
    #26 + Quote Reply
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