Actually, if PCGS had labeled it a 1921-S rather than 1921-D, I think I'd be more inclined to second-guess them. :)
A local used-book store has several copies of the DVD-only Krause World Coins guide for $15. I think it's either the 2007 or 2008 edition, and I...
I don't understand what you're trying to say here. Are you thinking that acetone is harsher and more likely to damage coins? It really isn't. On...
I understand that point of view, but I don't think it's useful. 1) The values of metals fluctuate widely relative to one another. This means...
Heh. My grandfather ran a demonstration still in a state park in the Maryland hills back in the 1960's. I never got to talk to him about it. I...
Distilling will remove all non-volatile impurities. It's not normally targeted at removing liquids or gases, but those usually aren't significant...
Ugh. I remember seeing a nearly-complete 32-64 set of Washingtons come up on eBay, BIN at about 20% over melt. It was missing the 32-D and S, but...
One small chemistry point: 91% isopropyl alcohol with 9% water is an azeotrope, a mixture that boils at a constant point. When it evaporates, it...
I'm pretty sure it's "3 posts, 1 idea per post". Sorry for nitpicking. I'm a programmer -- it's like being a lawyer, only more so. :)
I'll have to think about this one for a bit. I do see one problem with the rules as they stand: if someone lists three ideas in one post, how...
I see a turtle. [ATTACH]
90% silver coins. I'm feeling better about the small pile I sold over the weekend... for once. :)
Tell me more about these mines that have a big "Silver/Gold" switch stationed by the entrance. :)
The dealer was also finishing up a large buy from someone else, so things were a little hectic. I think, though, that most coin dealers in a...
Thanks for the info! I'd never heard of "SOI". I noticed the trinary aspect, but if you think about it, about one in every seven radar notes...
As luck would have it, the dealer who bought my silver at last weekend's show was out of large bills, so I got quite a stack of twenties. On a...
Primarily, I suppose, because the mintage of all four first-year issues is several times higher than most of the subsequent issues.
You're entitled to your own opinion, but not your own facts.
I'd be doing it partly for the news value -- as far as I can see, no coin from either series has ever been certified MS70.
To the contrary, if I found myself with the opportunity and the funds to pick up an MS70 Morgan or half eagle, I'd certainly leap at the chance. :)
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