I found this coin also with other coin

Discussion in 'Error Coins' started by Rorololo, Aug 21, 2019.

  1. Rorololo

    Rorololo New Member

    Can some explain why the coins has so many colors please, it's just so strange. I never seen a penny that looked like this, thank you any info would help
     

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  3. paddyman98

    paddyman98 I'm a professional expert in specializing! Supporter

    Chemical stain. Dried Urine :yack:
     
    furryfrog02 likes this.
  4. furryfrog02

    furryfrog02 Well-Known Member

    Copper is reactive and can take on lots of colors (toning) based on the environment it is in.
     
  5. alurid

    alurid Well-Known Member

    Heat toning.
     
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