The pits left behind may be small - even microscopic - but they will always be left behind, even if the corrosion is very light. If you were able...
Re Verdi-Care: The company’s FAQ includes the following: “VERDI-CARE™ utilizes a 2-stage system surface protection system [sic]. Closest to the...
Everything about slabbing is a crap shoot.
This is absolutely true. Verdigris is corrosion. Just remember that whenever corrosion is removed, the metal that formed the corrosion is also...
VF details. Probably net VG, depending on how bad the corrosion is in hand.
Nice short summary. Fugios are a fascinating series featuring lots of criminal fraud. It seems none of the coinages produced during the...
Great pickup. That's a significant error. Congratulations!
I bought mine a couple of decades ago, but you can still get them. As I recall, it’s a #4 jeweler’s brush. Quite soft. I use a product called...
Xylol is more properly called xylenes, as it is a mixture of several molecules. You should be able to get it at any hardware store. I’d avoid...
Most EAC members don’t care too much one way or the other about slabs. We like to be able to hold the coins and see the edges, especially of the...
Interesting (and humorous) to see the various responses to a process that virtually every early copper specialist over the past 7 decades or more...
[MEDIA]
Light mineral oil and a soft brush have been used successfully for decades by even the most paranoid early copper specialists. I don’t know of...
Definitely intentional damage.
Excellent answers for the most part. In my experience, acetone and other organic solvents will only turn your coin pink if it was previously...
Cool color set!
Who cares about the sticker?
You can't do a linear or any other kind of mathematical extrapolation between grade points, as the numbers are just a shorthand for a perception...
Here's one most probably haven't seen. From a short-lived service developed by David Lawrence Rare Coins. [ATTACH][ATTACH]
Almost certainly it is from poor storage in an oxidizing environment. What is the composition of the coin, and how old is it?
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