You can find quite a bit of what you want right here - http://www.cointalk.com/t13900/
You know why I think they say that ? Because they don't have any other explanation that they are willing to accept. They know it tones, the...
I don't think it's been polished, but I do think it's AU.
No idea what they go for now, but I paid less than $100 for that one.
This is the forum FAQ - http://www.cointalk.com/faq.php - you know that big link at the top of the page that says FAQ.
And here's two coins both minted almost 500 years ago and of pure gold. Notice the difference in color - one has been dipped and the other has...
Yes, but please don't subscribe to the author's thinking and start ruining coins.
The leeching of gold is the largest use of thiourea there is.
You can probably own one if you look hard enough. That one now resides in my son's collection.
It's been done, numerous times.
Have you ever read the FAQ ? You see anything in there to do with coins ? My point is this - even if I felt inclined to do such a thing, where...
I truly hope that you can come up with a scientific answer some day Jim, but nobody else ever has and they obviously have not stopped trying. As...
Copper spots appear on all gold coins from time, even the .9999 gold Buffalos sold by the US Mint. It's not something that only happens to Chinese...
Bit more to it than that Jim since almost all dips contain plenty of other chemicals as well as the thiourea. And you have to worry about them...
And the governmnet has repeatedly tried to keep that evidence from being introduced in court. It's nothing new. This has been known for years and...
Looks like it might be genuine, but it's certainly not rare. In that condition value is under $100.
Tell ya what guys, you sit here for 8 years like I have and see how many requests for stickies you get. They you tell me how to deal with them....
Don't you find it interesting that they say they detect silver and sulphur on the untoned part of the coin - and that being a .999 gold coin.
But there is no such thing as which one is best, it would require having at the least dozens of threads stickyed. If you took the time to look,...
There's lots of coins like that one that were proposed but rejected. This was always my choice for the golden dollar -
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