I think most of us are concerned about the same things. But having been through PM "inflation" followed by PM tumbles more than once, I think that...
MD
Although that can occur ( double strike) it is very uncommon and appears different. MD most often occurs when the working die strikes the planchet...
Mark, usually such advice needs more personal info on the holder which we do not want to put forth on the forum. But at least I can ask, why do...
Notice that the obverse photos are at an angle to show the toning, so the toning effect head-on will be much less. To me this would be a marginal...
Notice the top of the 'S' in trust where the 'doubling' appears. The 'S' is about 1/2 as thick as it should be ~because the MD damaged that side...
Is there an Assay report , or was the bar just poured from someone's melted silver scrap?
The green material did not originate in the tubes shown. The old-time tubes are hard plastic and not made from PVC. So either they were...
Most compounds of nickel are green or green-blue. It could be chloride, oxide, carbonates, etc. and are commonly hydrates. Moisture got into the...
Cotton/paper typically has a hardness of approx. 5 Mohs, whereas silver, gold, copper and zinc.is about 3 Mohs, or 100X softer than cotton gloves....
Back to the original question, I think that selling silver or other coinage through CT is difficult because although many of the members are...
I agree that a cheap lens won't ruin your eyes, but it also usually not give your the best images. Any quality lens should have a focal length...
The CLCT stock message boards have no indication, not even from the 'shorts', who would certainly be broadcasting it. Anyone could sue, doesn't...
It isn't the PVC ( polyvinylchloride) that is harmful, it is the older plasticizers and their reactions with moisture and metal. The old pvc (...
Even the US Treasury mint tubes of bullion, the coins can tarnish. I doubt there is a date on the round, so it made have been produced years ago,...
I agree also. The difficulty stems from some collectors thinking any ( even microscopic) 'split serif appearing ' automatically indicates a...
Lighting!
No problem. Actually acetone ( a ketone) is produced in humans as a end product of saturated fat metabolism. The long fatty acid chains are split...
No, not in California! nor any state/federal http://scorecard.goodguide.com/chemical-groups/one-list.tcl?short_list_name=p65
According to what authority? Most do not list it as one.
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