Hardest grading fault to spot?
FrankH
Posts: 982 ✭✭✭✭✭
What is the hardest fault to spot by graders?
Hardest grading fault to spot?
This is a private poll: no-one will see what you voted for.
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I put Altered surface, but specifically "Wheel Marks" That has gotten me a couple of times, very hard to spot.
I'd go with "nose grease"; the judicious application of skin oil to the surface.
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Using a HALOGEN makes these pesky marks more visible.
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My Full Walker Registry Set (1916-1947):
https://www.ngccoin.com/registry/competitive-sets/16292/
I think there are subtleties for each of these examples that make any one of them difficult to detect. Removal of verdigris on a Large Cent using Blue Ribbon and a rose thorn can be barely imperceptible... use vise grips and a brillo pad, not so much.
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Did you mean for your question to state, "third party graders?"
Au58 grade can be tough to determine and often times look far better than ms61 if you include non details coins in the survey.
I think I have missed this at least 3 times myself! Only when I really looked for them, did I find them.
I would say 'altered surface', followed by 'questionable color'.... Cheers, RickO
When I browse coins for potentials, if the slab says REMOVED FROM MOUNT, I try to find the evidence.
Granted, I am not seeing the actual rim but some of the work is very very good.
I did not put anything because I am completely new to this.
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A coin that is slightly bent,