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...
If it's slabbed by NGC it's already been professionally cleaned as good as it can get.
It works, but to a limited degree. And it works best if you can manage to get the coin to stand on edge - as opposed to laying flat on the bottom,...
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