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1899 2 Heller Corrosion Help?

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World Coins472 of 916Spanish doubloons.1914 Austrian Heller
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    Posted 10 years ago

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    SpiritBear
    (813 items)

    The corrosion is acting like a disease that I'm not sure how to treat.
    It's not a valuable coin, and the disease is kind of pretty and slow, but I'd like it to stop and go away.

    No, I'm not wanting to dip it in Lime Away. The details are too fine for that. And copper dies in Lime Away.

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    Comments

    1. Vintage_Joe Vintage_Joe, 10 years ago
      Try mild phosphoric acid treatment.
    2. SpiritBear, 10 years ago
      I will look into it. Thank you.

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