Hmm. 20 years ago, 2004, was when the TPGs all began loosening their grading standards. Since then, they have loosened them 3 or 4 more times....
The numismatic community as a whole.
Yes. The amount of time it will take is variable but it will happen. And the color of the new toning will almost certainly be a different color in...
Not by me. It's just too obvious that it is nothing but a joke. An example for ya Jeff. I myself have posted many times comments similar to this...
I gotta ask, is this what you're talking about ? https://www.greysheet.com/cdn-collector-price-guidance And I don't know about the "CPG book"...
No, saw the humor, it was quite obvious. But the ad sections are just not the place for jokes.
@calcol - You need to talk to a CPA to get accurate answers to your questions.
Sure they do. From NGC - "NGC will factor white spots into its grading of modern silver coins just as it does for black spots on copper coins...
A whole lot of folks get confused about that term. And it's understandable because over the years the term has become bastardized. In today's...
Well, what do you want to do - A, grade the coins consistently and accurately, or B, grade them like the TPGs do ? If you choose A then use the...
Good to know and thank you ! But will it also remove everything else that xylene removes ?
You're the chemist Thad, I'll take your word for it. Personally I have no experience with isopropanol. But am I correct in assuming - given your...
Digging the basement are ya ? :D Boy ! That was almost 20 years ago. But short answer to your question - no, I don't have a link to it. A whole...
Relax guys. It was a test to see if Charley was paying attention :rolleyes: Devil made me say it I swear he did !
We didn't have "likes" back then. CT had existed quite a long time before we ever had "likes". No thanks necessary but always happy to receive...
You completely misinterpreted my post ! It's not arrogance at all ! I just didn't want to have to type it out for the thousandth time. 1 -...
I can't speak about the modern 99.99% gold, but I can sure speak about the centuries old 98.6% gold coins. And they held up to wear very well...
When I say gold is far harder than most people think it is, I'm talking about people's perception of gold - just how soft they "think" it is....
It could literally be almost anything, but in the end it's one thing - corrosion.
I've posted about it more times than I can even begin to count. Simply do a search using the words "proper cleaning" and posted by me. You'll find...
Separate names with a comma.
