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What Prevents An MS-69 Coin From Being MS-70?

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howell1018's Avatar
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 Posted 12/07/2024  6:10 pm Show Profile   Bookmark this topic Add howell1018 to your friends list Get a Link to this Message Number of Subscribers
I'm guessing this has been adressed somewhere before, but I haven't seen it. I would like someone to post an MS-69 coin and explain why it didn't garner an MS-70 designation from PCGS or NGC. I've seen pics of an MS-69 and for the life of me they look perfect to me.
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 Posted 12/07/2024  6:38 pm  Show Profile   Bookmark this reply Add livingwater to your friends list Get a Link to this Reply
Grading is subjective, one grader may lower or raise a coin's grade over another's opinion. MS70 is supposed to be prefect, no dents, scratches, spots, etc. But the grading companies do allow for small imperfections from the mint for an MS70. MS69 usually have a more visible imperfection somewhere on the coin, maybe a ding, discolored spot.

Some collectors not happy with a grade will take the coin out and resubmit it hoping to get a higher grade. As always buy according to what the coin looks like more than the grade.

Here is PCGS photo grade pics of the grades.

https://www.pcgs.com/photograde
Edited by livingwater
12/07/2024 6:42 pm
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Coinfrog's Avatar
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 Posted 12/07/2024  7:06 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Step right up, folks.
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howell1018's Avatar
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 Posted 12/07/2024  7:28 pm  Show Profile   Bookmark this reply Add howell1018 to your friends list Get a Link to this Reply
I appreciate your response living water, but I'm aware of most all of what you pointed out. What I'd like to see is someone who can post an MS-69 graded coin and specifically point out what kept it from being an MS-70 (i.e. "see the tiny spot just to the left of the eagle's wing? That's the reason." Or something similar.)
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Marve65's Avatar
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 Posted 12/07/2024  7:29 pm  Show Profile   Bookmark this reply Add Marve65 to your friends list Get a Link to this Reply
Correct me if I'm wrong but I do believe that PCGS uses 10x magnifiers to grade coins - what a 10x magnifier sees a human eye does not.
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sel_69l's Avatar
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 Posted 12/07/2024  11:06 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
A coin bay be bought at MS-70,
but a super minor oxidation spot acquired by the coin after purchase some years later will certainly result in a downgrading.

At MS-70 grade, even a TPG grading slab does not provide absolute protection against the acquisition of a very minor oxidation spot, especially in a humid climate.

Therefore, I regard a TPG grading of MS-70 somewhat of a liability, even if correct at the time of grading.

The best protection for an MS-70 coin is a hermetically sealed capsule, sealed at the Mint.
Such encapsulated coins do not fit in a TPG grading slab.
If such a coin has even a very minor blemish, it stays there, forever.
and will remain ungraded.
Whatever grading it may have, becomes a moot point
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 Posted 12/08/2024  08:03 am  Show Profile   Bookmark this reply Add livingwater to your friends list Get a Link to this Reply
Here are pics of my 2021 ASE MS69. There are no scratches, no dents but a few small dark and light spots in the field, not on the slab. I assume these are the reasons for MS69. To know for certain I would have needed to be there watching and ask.

Graders do sometimes get it wrong, make mistakes. I doubt graders spend more than a few seconds looking at a coin to decide the grade unless it's rare, valuable. Imagine you are a grader, you have a hundred or more ASE to grade every day, they won't want you to look at each one for several minutes LOL. I don't know if PCGS, NGC etc graders use hand held magnifier or a scope with monitor.

PCGS says 5x or 10x is commonly used, higher magnification for varieties and authenticity.

https://www.pcgs.com/news/tools-of-...-coin-grader

PCGS has a YouTube channel but I don't know if there's any video showing employees grading coins.



Edited by livingwater
12/08/2024 1:39 pm
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howell1018's Avatar
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 Posted 12/08/2024  5:32 pm  Show Profile   Bookmark this reply Add howell1018 to your friends list Get a Link to this Reply
Thank you Livingwater. That's pretty much an example of what I was looking for.
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