I have no doubt of that. But only coins submitted under the Secure Plus grading tier are run through the sniffer, all other submissions are not....
If it leaves a protective film on the coin how can it not be ? Any foreign substance on a coin is detectable.
Is this a case of how one defines corrosion ? I ask because the ones at 8, 11, and dead center of the coin are rough and grainy - sure looks like...
Can't remember for certain, but wasn't that claim made about his original product - not Verdi-Care ? As far as I know Verdi-Care is detectable.
"Lester Maddox - Hello, moderator. Just a quick question, what is the 7 day rule? I had a thread moved because of the 7 day rule, just wondering...
There are exceptions among US coins as well. Though not coated with lacquer, Sackys have/had, what the mint calls, a protective coating applied...
It's pretty simple, just read the rules. https://www.cointalk.com/threads/coin-talk-rules.34131/
After reading it I don't think it does. For the most part that article talks about the history of using lacquer, and notes that they will slab...
My copy of Standard Catalog of World Gold Coins, copyright 2000, is hardback. And I bought it directly from Krause.
Yes, you should absolutely stop doing that ! The very first rule of coin collecting is that you never, ever, touch the surface of the coins with...
Each of the three things that you say make sense to you are just as subjective as hairlines. Harsh cleaning for example. There was a time when a...
As long as you're studying grading you might as well stay on the same subject. As mentioned earlier in the thread the PCGS book is a good one, one...
The ANA grading standards have remained virtually unchanged since 1986. And that is based on a line by line comparison of those standards for...
Lemme put it this way - any sealed container made of inert materials will help. And pretty much all of them will help equally, meaning one is not...
Speaking in general terms, and talking about today's world and not the past, ANACS and ICG are even worse, meaning more lenient, than either NGC...
Thermoplastic Rubber - TPR - is for the most part an inert material. But if exposed to ultraviolet radiation or direct sunlight it can degrade...
In today's world a lot of people refer to it that way, but that isn't what it is. You see, the ANA actually invented market grading in 1986,...
Members are not only allowed to do stuff like that, they are encouraged to do so ;)
It certainly can if they decide they want to sue you for it. And yeah, it's happened right here on this forum. And no, if won't matter if you're...
I suspect that most of the time you can't even find what you need to know at an on-line source. Most of the time you need books.
Separate names with a comma.
