Agreed. If you collect them, then it is something worth getting. There just isn't a secondary market for them. I have purchased bullion from...
ANACS would be much cheaper, since NGC also charges for each submission sheet - I think it is $8. I would go to www.anacs.com to find out about...
Most FRNs are only worth face value unless there are stars, fancy serial numbers, or uncirculated.
Oxidize means that it will react in a way to chemically react with a compound. Like gasoline reacts with oxygen to create water, CO2 and...
Why would you buy something at an auction that you knew nothing about? Regardless of how cheap it was.
It will be a Brave New World when the techniques of minting outside the mint are as good or better than those inside. It isn't too far away, if...
What does a chemist know.
Thank you eBay for helping to "spread the plague!"
Bitcoin uses as much energy to mine new coins each month as the nation of New Zealand uses. How is that economically feasible? Blockchain will...
Acetone is more reactive and can oxidize some things that cause the color. The chlorinated solvents are inert - they won't even burn. Try some...
Acetone might change the color. I would try Methylene chloride or Chloroform. Use high-grade stuff or you will leave behind residues. Same with...
Huh. Photos 2 and 4 looks like there is black gunk, gook, dirt, tar above Liberty.
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