I "reactivated" my 40 gm silica gel canister by placing it in a 300 degree oven for 3 hours, according to the directions. When I removed it,...
Is there really such a thing as a "wood grain planchet"? I saw it mentioned in this ebay listing 1909-S Lincoln Cent Nice Detail and Woodgrain...
I came across this listing on ebay. 2004-D Wisconsin .25 Extra Leaf Low Down NGC MS64 What is remarkable about it is the 36,000 character,...
Does anyone sell holders (other than slabs) that permit viewing the edge of coins? I'd be interested in them for Presidential dollars, but also...
I've seen several listings for "black gold" presidential dollars struck on "sintered" planchets, supposedly coated by metallic dust before...
You may recognize this coin from my avatar. The reverse has some very small areas of blue residue. I've included a closeup of the area and of...
I recently bought a few Canadian Silver Wolf half dollars (0.9999 fine silver) and a few 1982 US George Washington Commemorative Half Dollars....
I happened upon this auction that closed a couple of days ago. Since this group seems to appreciate 3-legged buffaloes, I thought you might enjoy...
The latest absurdity in slabbing coins is designating the "A" and "B" varieties of presidential dollars, depending on the orientation of the edge...
Can you tell if the left side of the reverse is damaged or if this might just be interference with the picture by the slab? The denticles on...
I have come across listings for this coin, but no explanation of it. To my eye, the mint mark looks like an ordinary S. Can someone explain it?
Am I the only one that thinks most of the standard grading scale is euphemistic? I propose the following "truth in adversing" revision of the...
Does anyone know where one can look up the historical values of coins? For example, what was the value of a 1936 proof set in 1965? I supposed...
It is widely-acknowledged that PCGS values are inflated. Although PCGS-certified coins appear to be worth more than a comparable coin from another...
There was a thread about this topic about 3 years ago, but it didn't reach any conclusion. If a PCGS slab is damaged (say scratched or chipped)...
This is a Type II (1855) 3 cent silver. I have noticed on this and several other 3 cent silver coins, fine parallel lines between the numeral...
I purchased this Type I standing liberty quarter some time ago. It is graded ANACS AU58. I never noticed until I was looking at some scans today...
Last night, I happened upon a great deal, a leftover from a recent Heritage auction that hadn't sold during the auction and had a "Buy Now"...
Is anyone familiar with the Australian 1 oz. silver Great White Shark and Redback Spider coins? The Numismatic News newsletter featured a story...
This coin has sharp detail, but a lot of discoloration and a lot of scratches. Also, what is the line that crosses the border of the star on the...
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