Yellow Penny?

Discussion in 'US Coins Forum' started by rhendricks2020, Jan 10, 2025 at 4:06 PM.

  1. rhendricks2020

    rhendricks2020 Active Member

    What is up with this penny? It is yellow! The pictures below will show you the coin. One on the LEFT is a regular penny, one on the RIGHT is... well the yellow penny.

    20250110_155522.jpg
    20250110_155533.jpg

    WIN_20250110_16_04_01_Pro.jpg WIN_20250110_16_04_10_Pro.jpg WIN_20250110_16_04_47_Pro.jpg WIN_20250110_16_05_09_Pro.jpg

    Plating possibly? Let me know your thoughts!
     
    rhendricks2020, Jan 10, 2025 at 4:06 PM
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  3. Inspector43

    Inspector43 More than 75 Years Active Collecting Supporter

    Sitting in a cup holder too long. Environmental damage.
     
    Inspector43, Jan 10, 2025 at 4:14 PM
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  4. l.cutler

    l.cutler Member

    I may be off base here, but I believe when the copper for plating gets contaminated with zinc from lost blanks it becomes brassy.
     
    l.cutler, Jan 10, 2025 at 5:48 PM
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  5. alurid

    alurid Well-Known Member

    Enviromental toning. Apart from chemical exposure, heat will also make coins tone to different colors.
     
    alurid, Jan 10, 2025 at 5:51 PM
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    Kevin Mader likes this.
  6. Collecting Nut

    Collecting Nut Borderline Hoarder

    It happens more than you know with the zinc cents.
     
    Collecting Nut, Jan 10, 2025 at 7:14 PM
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  7. l.cutler

    l.cutler Member

    l.cutler, Jan 11, 2025 at 4:31 AM
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    alurid and slackaction1 like this.
  8. Pickin and Grinin

    Pickin and Grinin Well-Known Member

    Chemistry experiments. Schools have been doing this for decades.
     
    Pickin and Grinin, Jan 11, 2025 at 9:40 AM
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