That's the easy part. When you cannot find a coin with either of those search engines, and especially when you can't one with both of them, and...
I'll never understand why people believe feedback actually "means" something, that it can be an indication of good or bad. Feedback is worthless,...
Ebay figured out long ago what collectors, and sellers, should have figured long ago. It's a simple concept, that being that the one with the...
Let me ask a different question regarding this - How many here even know what the current CAC bid is for any given coin at any given time ? For...
The answer to your basic question lies in the source material that Krause uses. And the fact that they don't update every coin in their catalogs...
I think the answer to your question is probably in this sentence - In other words the editors of CDN decided that the value for that coin at...
Then the answer is yes, gold coins can be damaged by PVC.
I'm suggesting you get them assayed. Just to find out if your test are accurate or not. This is for your own benefit, not mine, and not prove...
Fine, send it to me - I'll do it for free :D
Kurt, why not follow my simple suggestion that I made early on - have one, or two, of the coins assayed. That will absolutely answer the question.
I would think the point would be abundantly clear. Earlier in the thread, you made the point that the percentage difference of 6.6% in specific...
No, you're not wasting your time with critics, you're wasting your time trying to convince knowledgeable collectors who have seen every trick in...
Fair enough Thad, you're the chemist not me. I've just never seen any, on coins anyway, that wasn't green. On copper pipes, yeah it's quite...
Yes, it is that much of a difference in specific gravity - not fineness of the metal. Using the table you provided, and I have no idea how...
The coin is definitely corroded but it sure doesn't look like verdigris to me. Looks more like the ordinary (white) corrosion you find on water pipes.
Given what some of your test results are showing, for example #13 in your silver tests having 46% less silver than it should have based on your...
Acetone doesn't work on oils very well, use xylene to remove oils and oil based products. But to my knowledge, vaseline won't do anything to help...
So if I understand you correctly, based on this and your previous comments - - you are saying that acetone can remove luster from a coin. That...
Chris, did you really mean to say "acetone" ? Or did you mean to say something else ?
And I'll tell both you to just put a stop to it. You can disagree all you want, but that's where it ends.
Separate names with a comma.
