Treating problem coins with oil.

Discussion in 'Coin Chat' started by LostDutchman, Dec 14, 2011.

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  1. Collecting Nut

    Collecting Nut Borderline Hoarder

    I don't recall seeing what type of oil. Are you using motor oil, vegetable oil, baby oil or what?
     
    Collecting Nut, Jan 21, 2020
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  3. juris klavins

    juris klavins Well-Known Member

    images (12).jpe
     
    juris klavins, Jan 21, 2020
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  4. juris klavins

    juris klavins Well-Known Member

    Copper coin collectors have traditionally used petroleum jelly (Vaseline) to add a bit of eye appeal - apply a light finger rub of pj, leave overnight on a soft cotton cloth, then gently wipe off any excess - I've done this to every IHC I have - most are lower grades, so there are no issues with additional 'hairlines', etc.
     
    Last edited: Jan 21, 2020
    juris klavins, Jan 21, 2020
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  5. Collecting Nut

    Collecting Nut Borderline Hoarder

    Never heard of using Vaseline.
     
    Collecting Nut, Jan 21, 2020
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  6. Kentucky

    Kentucky Supporter! Supporter

    Mineral oil and Vaseline are both high molecular weight hydrocarbons with the Vaseline being the higher molecular weight and probably lasting longer. I taped some cents to a 3x5 card and treated them with 1) Control - no treatment 2) Vaseline Petroleum Jelly 3) Mineral oil 4) Verdicare and 5) Linseed oil. I then put the card on the dash of my truck and let it sit in the CA sun since October. Here's what I got...

    Starting coins
    [​IMG]

    After oiling

    [​IMG]

    After exposure to sun

    [​IMG]

    Guess I'll stick them back out there...
     
    Kentucky, Jan 21, 2020
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  7. GDJMSP

    GDJMSP Numismatist Moderator

    And that is exactly one of things being discussed in this thread.

    Ya see, with products like Coin Care and or Blue Ribbon, and even Deller's at times, you can take a coin that graded 63, and turn it into one that gets a 65. Which is of course why the products were made, marketed, sold, and used by so many for so many years.
     
    GDJMSP, Jan 22, 2020
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