I believe Doug (@GDJMSP), one of the moderators, said that the average age of a cointalk member is under 30. Sounds like a youth movement to me....
If you're going to Long Beach next week and would like to meet, PM me. I'll be there Thu and Fri. Cal
By "significant heat", I'm assuming you mean deliberately applied heat? Cal
Posting pictures of coins online, and that includes Coin Talk as well as grading service registries, can make personal information you'd rather...
Appears to have the "crusty" toning that old-gold aficionados love. See Doug Winter's website: raregoldcoins.com . It's just a matter of...
Chances are your tap water has fairly low mineral content (say, compared to sea water), so its density is close to distilled water. I'd use...
They partially cancel and partially add. The error of each measurement consists of a fixed part and a random part. The fixed parts will cancel;...
Let me finish my glass of wine first. :happy: Cal
When I actively collected ancients, I measured SG on some, mostly as a learning and fun experience. There have already been excellent comments...
Good eye. I checked images on Heritage, and no past sales have the bumps and marks. Cal
Arkies, of which there were 16 years/mint/types, are among the least loved commems. Some were carried as pocket pieces, not because they were...
I'm having them conserve it. So they'll be doing the dipping. Cal
Toning was nice, but not spectacular. I considered sending it to NGC. But for a number of reasons, I prefer PCGS for most US types, including...
@C-B-D said it. However, AT is the common term among collectors and dealers. PCGS states it as questionable color. Cal
Actually resubmitted it with request for them to conserve it. Will see what happens. Cal
You can state the minimal acceptable grade for crossover. If PCGS doesn't think it meets the minimal grade, it stays in the NGC holder. Sending...
Not unless they are official coins or medals of a country. The Perth mint in Australia has recently started issuing 1 oz gold bars denominated as...
Don't know if it's more, but I agree a lot cents are replenishing copper and zinc in soils and a lot are in landfills. I've seen dozens of folks...
Copyrights expire when the creator dies plus 70 years (up to 120 years total in some circumstances). Copyright duration keeps getting extended by...
Definitely. They've already allowed the Newman Portal to setup click-throughs to its catalogs and prices realized. And it looks like images of...
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