You don't "remove" polishing; it's a physical alteration, not a chemical one. Just like hairlines, the only way to remove a physical alteration...
The cleaning that would lightly "hairline" a silver coin will destroy gold.
I don't think there's any real expectation among knowledgeable numismatists that an ICG MS67 Lincoln would cross at grade to either PCGS or NGC....
You're only cheating yourself out of money on the flip - and missing cherrypicks - if you don't. :) I'll never bother you about flipping. It's...
Never tried it, but I have a thought in mind as to how to accomplish it. Scares the bejeezus out of me. :)
No, not nearly so easily, except for Proofs with their sensitive surfaces.. Folks new to grading gold consistently undergrade it vs. TPG's; that's...
Everybody dumps their frustrations on him. :P
Show me where on the rim of this coin metal has escaped the rim gutter.
Do we know what sort of oxidation it is?
I generally trust you implicitly, Kentucky, and you're a chemist where I'm not, but I can't endorse the process you recommend. Clawcoins, read...
I'm thinking you're using lights of two different color temperatures. The camera is white balanced to the one at Noon, but the one at 3:00 is too...
Touche. :D
My gut says "Don't touch it." The lighter spots amidst darker color hint at a dip which wasn't completely rinsed followed by a retone, deliberate...
A couple observations from The Intersection of Internet and Numismatics (consider this my first establishment of that phrase as prior art pending...
Coming without any sort of caveat regarding the lack of acceptance of artificial toning by the numismatic community at large, from a person with a...
So you need to be the judge of whether "progress" has been made. If an organic solvent can have a visible effect on what's there, then very likely...
PCGS Cert Verification shows no auction records for this one. Perhaps it hasn't ever been to CAC. In a "perfect world," a 64+ should be worth...
This is so common that it should be one's first assumption whenever you see anything similar on a 1982 or later Cent. It's rather "cute" that it...
Interesting (to me) observations: The rim is completely reeded through the wider part, and the rim gutter buildup along the edges seems normal,...
An acquaintance from the world of VAMming, Brian Raines (named because that's the business name he trades under, and he's at most of the major...
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