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sellitstoresellitstore Posts: 2,368 ✭✭✭✭✭
edited April 4, 2023 7:05AM in World & Ancient Coins Forum

Would this have been called artificial toning in the past? Or is it natural staining? What's the difference between toning and staining? Is toning oxidation and staining a foreign substance, or oxidation as the result of exposure to a foreign substance? Then isn't it toning? (Excuse wrong forum until moved-I have made a request.)

Collector and dealer in obsolete currency. Always buying all obsolete bank notes and scrip.


  • GreenstangGreenstang Posts: 725 ✭✭✭✭

    It looks more like toning (Artificial or natural) that a stain.
    A stain I would think would be more of all the same colour.
    Contact PCGS and request an answer.

  • Steve_in_TampaSteve_in_Tampa Posts: 1,791 ✭✭✭✭✭

    Russell, you might get more replies if a moderator moved this thread to a coin forum.

  • sellitstoresellitstore Posts: 2,368 ✭✭✭✭✭
    edited March 30, 2023 2:10PM

    As soon as I posted it, I flagged it and asked that it be moved to U.S. Coins where I had intended to post it. I apologize for the mistake and I'll try contacting Heather Boyd of the Currency Forum directly.

    Collector and dealer in obsolete currency. Always buying all obsolete bank notes and scrip.
  • JimnightJimnight Posts: 10,683 ✭✭✭✭✭

    Back to the coin, it looks like toning not a stain. IMO.

  • Namvet69Namvet69 Posts: 8,602 ✭✭✭✭✭

    Does the rev look different in terms of a "stain"? Obv appears toned to me. Nice coin.

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