Morgan Dollar Fakes.... or bad Sigma Reading?

Discussion in 'US Coins Forum' started by BigTee44, Aug 14, 2020.

  1. BigTee44

    BigTee44 Well-Known Member

    All 3 of these coins tested fake on my Sigma Pro.

    The diameter is good, weight is good, but reads bad at 1900-1945 90%. Coin is moved to the yellow when the setting is moved to pre-1900 90%

    The dealer I bought it from said it could have a alloy mixture issue.

    So what are your thoughts?

    Details, sure, but are they real?

    IMG_7811.JPG IMG_7814.JPG IMG_7818.JPG IMG_7819.JPG IMG_7821.JPG IMG_7822.JPG
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  3. BigTee44

    BigTee44 Well-Known Member

    Here’s the sigma readings

    C1A00D94-598A-4D09-A2C1-D7EF0952AD05.jpeg CCE0B4DC-D3FC-4653-82EB-085175AA9AEB.jpeg BE19A2EF-79BF-4D65-9482-16AFF9B24AF3.jpeg BF0200F3-E093-438A-9855-FF2AE20C8D06.jpeg
  4. ddddd

    ddddd Member

  5. messydesk

    messydesk Well-Known Member

    They all look like banged up genuine coins. I'm not sure how I'm supposed to interpret the display on your device.
    Penna_Boy likes this.
  6. Collecting Nut

    Collecting Nut Borderline Hoarder

    To me they look genuine just well circulated.
  7. BigTee44

    BigTee44 Well-Known Member

    Coins in the green are good. Coins in the yellow are considered okay but to check other measurements. Red means it’s fake.
  8. Gregg702

    Gregg702 Active Member

    I only use my Sigma Pro for bullion. I use weight and my X-Ray Spectrometer for coins
  9. Jesse Kraft

    Jesse Kraft New Member

    Agreed that they all look good from the pictures. Why the distinction between pre-1900 and post-1900 90%?
  10. Gregg702

    Gregg702 Active Member

    Delete - Saw the pics wrong
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