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Help me understand how PCGS says this is NT
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<p>[QUOTE="C G Memminger, post: 2137206, member: 71506"]Fantastic rainbows happen. AT techniques tend to leave telltale signs (color patterns/sequences, chemical residues, impaired patina, etc). You will notice this coin is toned on obverse only, and in a circular pattern, leaving an un-toned obverse center. Not an easy task for a coin doctor. You will also notice the coin retains a beautiful patina, which is often lost when a coin doctor applies (in some fashion) sulfur and a catalyst. </p><p><br /></p><p>I've seen a collection of incredible rainbows as beautiful and even more beautiful than this one. Part of private collection of John Albanese, co-founder of PCGS and NGC, and the founder of CAC. </p><p><br /></p><p>This one looks real to me.[/QUOTE]</p><p><br /></p>
[QUOTE="C G Memminger, post: 2137206, member: 71506"]Fantastic rainbows happen. AT techniques tend to leave telltale signs (color patterns/sequences, chemical residues, impaired patina, etc). You will notice this coin is toned on obverse only, and in a circular pattern, leaving an un-toned obverse center. Not an easy task for a coin doctor. You will also notice the coin retains a beautiful patina, which is often lost when a coin doctor applies (in some fashion) sulfur and a catalyst. I've seen a collection of incredible rainbows as beautiful and even more beautiful than this one. Part of private collection of John Albanese, co-founder of PCGS and NGC, and the founder of CAC. This one looks real to me.[/QUOTE]
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Help me understand how PCGS says this is NT
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