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What Does Questionable Colour Actually Mean?

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CanadaPennies19's Avatar
Canada
201 Posts
 Posted 11/03/2019  4:24 pm Show Profile   Bookmark this topic Add CanadaPennies19 to your friends list Get a Link to this Message Number of Subscribers
I've been searching through some listings and found a few PCGS slabbed coins with the comments of questionable colour UNC details.

What does this mean when they refer to that. Are they implying the coin was wizzed, cleaned, dipped? What would companies like ICCS or CCCS describe it as (I haven't seen this designation on their slabs before)

Thanks!
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CanadaPennies19's Avatar
Canada
201 Posts
 Posted 11/03/2019  4:25 pm  Show Profile   Bookmark this reply Add CanadaPennies19 to your friends list Get a Link to this Reply
Also how does this affect the value?
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Captain Jack's Avatar
United States
171 Posts
 Posted 11/03/2019  4:33 pm  Show Profile   Bookmark this reply Add Captain Jack to your friends list Get a Link to this Reply
Dipped in an acid like MS-70 then retoned with a chemical toner
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moxking's Avatar
United States
17900 Posts
 Posted 11/03/2019  4:35 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
It means that the color of the coin might indicate intentional enhancement.

Such a designation limits the potential buyers pool significantly as many collectors simply don't want anything that's details or similar.

New collectors still finding their feet might consider them bargains. Even if the price is low most of those collectors who become more knowledgeable will wish they hadn't spent their money on "bargains".
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CanadaPennies19's Avatar
Canada
201 Posts
 Posted 11/03/2019  7:18 pm  Show Profile   Bookmark this reply Add CanadaPennies19 to your friends list Get a Link to this Reply
There's a gorgeous 1858 specimen Canadian large Cent ending on ebay just wondering. Thanks!
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1cent's Avatar
Canada
1051 Posts
 Posted 11/03/2019  10:56 pm  Show Profile   Bookmark this reply Add 1cent to your friends list Get a Link to this Reply
It's been acid dipped at some point, which has mostly returned the red color, but has also wiped out the underlying luster and left the coin flat and dull looking.
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Wade's Avatar
Canada
2781 Posts
 Posted 11/05/2019  10:07 pm  Show Profile   Bookmark this reply Add Wade to your friends list Get a Link to this Reply
A coin with problems will always be a problem coin,

I would much rather have a solid coin a few grading tiers lower than one with a "details" designation,

as far as how does it affect value? Immensely... more so when it comes time to sell
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fortcollins's Avatar
United States
3659 Posts
 Posted 11/06/2019  11:49 pm  Show Profile   Bookmark this reply Add fortcollins to your friends list Get a Link to this Reply
In PCGS-speak, 91 code (questionable color) suggests artificial toning. As others have noted, it is just a type of PMD, and it kills coin values.

For bronze coins, this is probably fatal. For UNC details silver coins, it theoretically may be possible to crack them out of the slab, dip them to remove toning and resubmit them to a different TPG for grade. Remember, as NGC claims, dipping isn't cleaning. (I disagree with NGC on this.)
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