Not necessarily, the leather is harmful because it is putting off specific harmful gasses. For verdigris to form, the only that is necessary is...
Throughout history the fineness of any given coin, regardless of the metal, was chosen by the ruling authority at the time to determine the amount...
Folks, if Bryan's being literal here when he says this - - then several of the suggestions made above regarding identifying or picking out any...
Bryan, from what you are describing it sounds like the coins are covered with verdigris. If it's green/greenish in color, that's almost certainly...
They do make PVC free flips, and PVC free pocket pages to hold the flips - both are fairly easy to find. Conservation is nothing more than a...
All coins are, regardless of where they are minted.
It's really hard to tell from your pics but I don't see anything that makes me think the coins have been harshly/improperly cleaned - which is...
PVC residue, when it's first deposited, and for a while after, on coins is crystal clear and usually cannot even be seen. It is only after it has...
Yes, PVC residue can be transferred from one coin to another, but only by direct coin to coin contact. The point being, as long as the coin/s with...
Not necessarily. The PVC residue is released and deposited on coins in gaseous form. In the beginning it's very small amounts, but as time goes on...
How to put a value on a scarce coin. Sometimes you have to go old school - books and articles. If a coin is truly scarce/rare odds are somebody...
Yeah, kinda reminds ya of that short legged dog huh ! Just tryin to keep up @CoinCorgi , just trying to keep up. Who Knows ? One of these days...
The caption should of course read - that way, that way, I see food over there !!
Oh Great! Now I'm Posting the Same Thing Twice And here I thought I just needed new glasses :D
I'll make it simple. When it comes to judging what is or is not political, the members of this forum do not get to decide/answer that question....
They do, when the countermark is applied by just any 3rd party. The exceptions are when the countermark/counterstamp, is applied to a coin by an...
Yeah me too ! Only thing I know of that could cause it is way too much moisture.
As you know I'm well aware of your opinion, and as you're also aware, PCGS specifically calls out your product and says the sniffer can and will...
All the TPGs have a sniffer, but they only use them if you select that specific grading tier.
There have been a great many who have used Verdi-Care on coins, sent them in, and had no problem getting a clean grade assigned - assuming the...
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