First of all one has to understand what started this particular tangent of this discussion - learning how to grade based on pictures. There is a...
When it comes to grading coins, using pictures for comparison purposes is worse than worthless - I would even say it is harmful. Pictures in...
I wasn't aware that they had a new waterproof slab. But even so, while a container can be waterproof, that does not make it airtight. And even if...
[ATTACH] $60.00 SOLD Described by the author as a "field guide" to the series, it makes identifying coins easy by arranging them into...
The plastic itself is air permeable, and the edges aren't completely sealed either. So air routinely migrates in and out of the slabs.
Volumes II, III, and IV of Gold Ducats of the Netherlands. Which by the way I am not the author. I do all of the editing and re-writing of the...
Simple answer, same one I gave when the first counterfeit slabs appeared some years ago. And same advice I have always given regarding the...
Yes, coins can be and have been toned, intentionally, in the slabs. As for control, it's just timing. And the gasses don't just stay there in the...
Not true. There are many, many cases of coins that were toned black, and dipped to reveal very nice luster. There is even a somewhat famous story...
Insider - Are you aware that when the GSA coins were found, sorted, and packaged, that the people doing the sorting - didn't have a clue what...
In the post of mine that you quoted, the key phrase is - That is because toning, if left unchecked, will destroy coins with a certainty. And I...
Yeah, OK. So ? It's easy enough for you to mention what you see in your listing and then ethics is covered. Personally, in looking at the...
Why ? You ever look closely at the top of a concrete floor ? It's made up of fine grains of sand virtually equidistant from each other. And...
Why not just sell it as is and get another one.
When looking at coins like these you need to think about what actually happens to the metal, in the different areas, when a coin is struck. And...
Nahhhh, the crowd was much bigger than that :D
It's possible they could be planchet striations, but in this case I rather doubt it. Why ? Because they are too limited. Were they planchet...
It's pretty much like it is with all other things in life, you don't "find the time", you make the time ;) I've been doing this, making posts...
And that's kind of the point, right there. What I mean by that is that almost everybody applies different definitions even to common, everyday...
For whatever it is worth in years past there more than a few imitations of original mint packaging for Mint Sets and Proof Sets. Some of them were...
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