Not sure I'd try the acetone; it could cement the capsule even more firmly to the coin, and it would also ruin the transparency. I know we aren't...
You mean two RARE MINT ERRORS SPLIT PLANCHET?
"Thiomargarita"? ICK.
OK, I went back and reread the thread from the beginning. Good times. When I was talking about resistance-measuring techniques, I completely...
Yeah, I thought it was the other way around, but apparently not. Looks like gently warming is the way to go. Hope the capsule hasn't squeezed the...
Tungsten metal, right? Tungsten carbide's density is about 25% lower.
Could be white-nose disease... :(
Wish I still had some images from that one eBay seller that just peppered his coins (mostly in 2x2s) with stickers. My favorite was "LESS THAN 2...
I'm a bit pessimistic -- that remaining upper hole in the 8 looks too symmetrical, and I've never been able to reliably see the left-of-knee...
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