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  • diamond's Avatar
    12-31-2018, 11:02 PM
    I can only tell you that the grading services do a poor job when confronted with errors that are subtle, obscure, novel, compound, or complex. ...
    4 replies | 161 view(s)
  • diamond's Avatar
    12-30-2018, 09:54 AM
    Professional grading is a fool's game. Assigned grades are not reproducible, from grader to grader, from day to day, or from company to company. ...
    4 replies | 161 view(s)
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Mike Diamond. Error coin writer and researcher.

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12-31-2018 11:02 PM
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07-30-2007