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State Quarter Question

If someone comes across State Quarters that are dull gray instead of shiny does this mean anything important?
Thank you.

Comments

  • FredWeinbergFredWeinberg Posts: 5,999 ✭✭✭✭✭
    If the coin has no mint luster at all, it's been
    played with, and it is not a mint error.

    Coins that look dark, grey, etc, have been
    in either a chemical bath, or could have been
    in one of many different types of liquid that
    would dull it, or plate it with a solution.

    We can't always figure out exactly what happened
    to a coin post-mint Striking, but it's easier to
    know that the coin wasn't struck as a mint error.

    A scan of both sides, clear and crisp, would also
    be helpful....
    Retired Collector & Dealer in Major Mint Error Coins & Currency since the 1960's.Co-Author of Whitman's "100 Greatest U.S. Mint Error Coins", and the Error Coin Encyclopedia, Vols., III & IV. Retired Authenticator for Major Mint Errors for PCGS. A 50+ Year PNG Member.A full-time numismatist since 1972, retired in 2022.
  • TwoSides2aCoinTwoSides2aCoin Posts: 44,910 ✭✭✭✭✭
    Hi friend,

    A dull gray side could be missing the "clad" layer.
    Keep in mind, quarters are copper core with nickel plating, essentially.
    Like Fred said, a picture would help.
    I sent one in to PCGS that Fred even bid on via ebay ( made me feel special). I thought it was missing clad but it came back as a "sintered" planchet. MS65 Kentucky.... it was kinda cool, I think I called it the BLACK STALLION in my ebay ad., and it sold for about abucktwentyfive which was a profit image
    YES, it's an important find if either of those "errors" got past the mint. Not a huge find, but significant !

    Got pics ?


    Joe

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