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<p>[QUOTE="GDJMSP, post: 2464659, member: 112"]Well that's kind of the thing, you never know. The issue with die diagnostics is this, sometimes there aren't any, sometimes for a couple of reasons. The first and most obvious - if the same die is used on both Proofs and business strikes, there shouldn't be any. But sometimes both Proof and business strike dies are made from the same hub, as a result both dies will have the same diagnostics because they both got them from that same hub.</p><p><br /></p><p>But there are other differences that can be recognized, as I mentioned above - the surfaces, and sometimes the quality of strike. This is because Proofs are struck on specially prepared planchets whereas business strikes are not. Proofs are also always struck at least twice, whereas business strikes are not. So even if a retired Proof die is used, there will still be differences between the Proofs and business strikes. But they will be differences that can usually only be seen with an in hand examination done by somebody with the requisite experience to do that examination.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 2464659, member: 112"]Well that's kind of the thing, you never know. The issue with die diagnostics is this, sometimes there aren't any, sometimes for a couple of reasons. The first and most obvious - if the same die is used on both Proofs and business strikes, there shouldn't be any. But sometimes both Proof and business strike dies are made from the same hub, as a result both dies will have the same diagnostics because they both got them from that same hub. But there are other differences that can be recognized, as I mentioned above - the surfaces, and sometimes the quality of strike. This is because Proofs are struck on specially prepared planchets whereas business strikes are not. Proofs are also always struck at least twice, whereas business strikes are not. So even if a retired Proof die is used, there will still be differences between the Proofs and business strikes. But they will be differences that can usually only be seen with an in hand examination done by somebody with the requisite experience to do that examination.[/QUOTE]
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Did PCGS get it wrong?
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