Is this bronze disease and if so how can I remove it?

Discussion in 'Ancient Coins' started by MasterVampire, Sep 16, 2020.

  1. MasterVampire

    MasterVampire Member


    I picked a bit with a toothpick and it seemed kinda powdery and like it was coming off.

    Can i pick it all off and then maybe wash it with some distilled water and a cloth?
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  3. lordmarcovan

    lordmarcovan Eclectic & avid numismatist Moderator

    I see some greenish patina but it fortunately does not look like the bronze disease that killed two of my Caligulas. I think it's probably OK, but will defer to those with more experience.
  4. gsimonel

    gsimonel Well-Known Member

    lordmarcovan is probably correct. Just keep an eye on the coin for a while. If you see a soft powder start to build up on the surface of the coin, then it is bronze disease and you will need to treat it. But I don't think you have anything to worry about.
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