1970 Penny

Discussion in 'Coin Chat' started by Mary Neely, Dec 7, 2018.

  1. Mary Neely

    Mary Neely Active Member

    I have a red 1970 Penny. What causes this?

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  3. Amos 811

    Amos 811 DisMember

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  4. ldhair

    ldhair Clean Supporter

    Just one of the colors copper will turn. There is no way to know what caused that color.
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  5. Michael K

    Michael K Well-Known Member

    Copper is reactive. Air, water, soil, gases, pollutants will turn it colors.
    If it has been in the ground, it will often turn red.
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  6. SilverDollar2017

    SilverDollar2017 Morgan dollars

    Normal coin. Color is affected by environmental exposure.
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