A short exposure (less than an hour) of more reactive metals like copper, zinc and aluminum to high-grade acetone is unlikely to hurt them. I...
Only physical book I carry to shows is the Red Book and sometimes a Judd. I carry a smart phone, laptop, and hotspot and use these for price and...
In 2012, when I started collecting US coins again, I visited both NGC and PCGS websites and was mildly surprised they had active forums. My...
Me too. Not the 1948 part, but I'm old enough to have seen the occasional IHC or LHN or gold certificate in circulation when I was a little kid....
I think the tradition of cleaning coins in Europe came from centuries of collecting ancient coins. Virtually all ancient coins have been...
Doug, I think you're likely right about this. The problem hardly exists on 19th century silver proofs. It's also possible that the causal...
For ancient coins, that's about what it means. However, there is choice very fine terminology, which is a bit better than good very fine. So,...
In my post, I didn't say I agreed or disagreed with NGC, PCGS or the auction company. I was simply pointing out that the grading system in the UK...
If the coin is valuable enough or means a lot to you, it's worth sending to NCS. They may or may not be able to conserve it. They handle...
Grading standards in the UK appear to be different from the US. Auction cataloger is using a tougher standard than NGC or PCGS for these slabbed...
Try to go to some of the major shows if possible. For US coins, these would be Long Beach, CSNS, ANA, FUN, and Baltimore. Most of these are held...
Based on the initial post, liquidity, not profit/loss, was the question. The most liquid coins are in NGC or PCGS holders. These coins can always...
Both regular and mega have their place. The megas have more detail on issues and varieties, and each edition has some special coverage of...
I've occasionally been asked for information by a stranger when we were both at a dealer's table. Usually, they overheard me talking about coins...
Yes, expressed as percent of the earth's crust, the rare earth metals are more common than mercury, cadmium and silver. Some are as common as...
Well aged, concentrated urine was one component of old time tanning brews. I think it was ammonia that was the main active chemical in it. :yuck:...
Actually, non-political junk mail makes money for USPS and helps pay for losses in first class and elsewhere. Most political junk mail also makes...
There's even a provision in the postal code for mailing live scorpions (section 526.5 under 18 U.S.C. 1716). I dare you to go to a UPS store and...
Another reason to have valuable coins graded is for insurance reasons. In part, I mean if you want to insure coins against loss, but mostly I'm...
Amazon tried operating their own fleet of delivery vans in the SF Bay Area and found it didn't pay. What has worked is getting folks to use their...
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