Need help

Discussion in 'Error Coins' started by Craigescape, May 5, 2019.

  1. Craigescape

    Craigescape Member

    Okay found this roll hunting, did I get lucky and find a 1972 s double die?

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  3. USCoinCollector42

    USCoinCollector42 Well-Known Member

    Your coin is a good example of machine doubling.

    The valuable type of doubling occurs on hubs that are used thousands of times to strike thousands of coins; hence why the same doubling can be observed on multiple coins from the same year and mint.

    Another type of doubling, which is much more common and does not usually carry collectors value, occurs when dies wobble slightly as they strike a coin. This is known as machine doubling and is unique on every coin.

    Here's a good comparison between the two:
    (image is borrowed from Google Images)
    alurid and furryfrog02 like this.
  4. Collecting Nut

    Collecting Nut Borderline Hoarder

    Looks like a case of MD.
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