Plastic materials

Discussion in 'US Coins Forum' started by Numister, Dec 6, 2010.

  1. Numister

    Numister New Member

    What type of plastic do US Proof Sets come in? Is the Mint Set plastic cellophane?
     
    Numister, Dec 6, 2010
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  3. GDJMSP

    GDJMSP Numismatist Moderator

    It's called pliofilm.
     
    GDJMSP, Dec 7, 2010
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