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Define AT (Artificial toning) Chemicals and time.

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  • ZoinsZoins Posts: 34,359 ✭✭✭✭✭

    @jmlanzaf said:
    there's a common "game" played with Canadian cased dollars from the 1970s. They were packaged with a foam insert to keep them from rattling. The foam causes vivid blue toning, but only on one side. The profitable game is to flip the coin and put it back into it toned uniformly blue on both sides.

    So, I'm not sure even intent works, even if you could know it.

    Intent could be interesting here if intentionally and unintentionally flipping the coin results in a different outcome.

  • VasantiVasanti Posts: 458 ✭✭✭✭

    I find it bizarre that a TPG will straight grade a coin where the surface has been chemically altered through a dip to be blast white, but they won’t accept a coin where the surface has been chemically altered to be toned. Ironic.

  • MasonGMasonG Posts: 6,261 ✭✭✭✭✭

    @Vasanti said:
    I find it bizarre that a TPG will straight grade a coin where the surface has been chemically altered through a dip to be blast white, but they won’t accept a coin where the surface has been chemically altered to be toned. Ironic.

    I think they'll straight grade either, just as long as they can convince themselves (or maybe just the market) the alteration never happened.

  • VasantiVasanti Posts: 458 ✭✭✭✭
    edited February 18, 2023 4:46PM

    Perhaps one day the TPGs will offer a service to re-tone all of the conserved coins.

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