Not sure the process is re-patinating but is actually patina revealing. True patina is a coating of metal oxides, sulfides and perhaps a few other...
Ancient Roman coins, especially high-end gold coins, are uniquely identifiable because they are handmade and dies for the same type differ...
ANS is very different from ANA. ANA is primarily oriented toward collectors while ANS is primarily oriented toward numismatic research. Much of...
Recent story about in the NY Times. I agree ANS needed to move from Manhattan. They are paying almost $2 million per year in rent, and visits...
Just got an email about it. Next show is Feb 18-20. Glad it’s back. Have usually attended one show a year there. Cheap trip from NorCal. A...
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Impulse buying ... unless you've done your research, studied the coin currently on offer to make sure it's the right one, and the price is really...
Love token?
Yup, the usual blades made for wood and metal are melt-city when used on plastic. However, there are special saw blades and drill bits made for...
Might try thermal stress cracking. Use dry ice to cool. Dry ice is usually much easier to obtain than liquid nitrogen … many grocery stores...
Unless coins were really valuable, I wouldn't touch it. Freeing the coins will take a lot of work and solvent plus a band saw or table-mounted...
Vault Box is owned by Minshull Trading. Is there any outside auditing of their lottery? Mike
Good chance that significant quantities of precious metal coins discovered in the ground today are melted. Many (most?) governments have a...
Visited the Jorvik Viking Centre in York, England. Jorvik is the old Viking name of the city. In Norse languages, the “J” in Jorvik is pronounce...
C'mon! Tell us! Give us the summary if the main text is too long. Mike
This coin is still owned by the Perth mint. Its melt value is about US$130 million. The mint has gotten a lot of PR value out of it, but that’s...
I don’t collect slabs and never have. But for those who do, there is a batch of Morgans up for auction that are in slabs by uncommon TPGs like...
Some forgers of ancient coins became famous because of the quality of their work. Carl Becker of Germany (1772-1830) was one. There are books...
Because of the U.S. Supreme Court decision in the suit brought by South Dakota (the infamous Wayfair decision), U.S. companies selling out of...
I agree. If the fake is in a slab, it will at least take a little more work for the owner to pass it off as real (if they are so inclined). And...
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