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<p>[QUOTE="LostDutchman, post: 844312, member: 16994"]It's laser grading!! I have seen this machine being demonstrated for a few years now. Supposedly every coin registers differently and it gives a sort of unique output. I guess PCGS is saving these and then if the same coin is run through again... It should flag it. I'll believe it when I see it.[/QUOTE]</p><p><br /></p>
[QUOTE="LostDutchman, post: 844312, member: 16994"]It's laser grading!! I have seen this machine being demonstrated for a few years now. Supposedly every coin registers differently and it gives a sort of unique output. I guess PCGS is saving these and then if the same coin is run through again... It should flag it. I'll believe it when I see it.[/QUOTE]
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