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- e-letters (January 31, 2017) We asked: Do you feel threatened by counterfeit coins? I cannot know how it would feel to find out that I purchased a counterfeit coin. Other than the expense, I imagine that the disappointment would be a great concern. The hobby is aware of the counterfeit problem. Since my major interest is collecting modern U.S. coins, ...
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Author Archives: Ken Potter
Numismatic Guaranty Corporation of Sarasota, Fla., authenticated and graded a 1983-D Lincoln cent as being struck on a brass planchet of a composition of 98 percent copper and 2 percent zinc that weighs 3.0 grams. Regular production 1983-D cents should … Continue reading
After 34 years, a 1982-D Small Date cent struck on a 95-percent copper-alloy planchet has finally been found and confirmed by me. A Minnesota collector who wishes to remain anonymous discovered it while sorting through 1982 cents by weight to … Continue reading
Numismatic News reader Jon Bender of Dallas, Texas, came up with an 1851-D gold dollar with approximately 90-degree Rotated Dies. He said, “Never have [I] seen one like this on an 1851[D].” It represents one of few gold coins with … Continue reading
Readers be warned! If you are offered a 2004 (or any date) silver American Eagle that appears at first glance to be a reverse proof, it might be a post-mint alteration of a genuine coin. At the Michigan State Numismatic … Continue reading
Variety hunter Alfonso Lopez has garnered credit for finding the first reported Doubled Die Reverse on a 2016-P Kentucky Cumberland Gap America The Beautiful quarter. The doubling is easily seen with the naked eye (for some of us) or under … Continue reading
Robert Lawson of Ohio has come up with a fairly major Repunched Mintmark (RPM) variety on a 1948-D Lincoln cent that to the best of my knowledge is unlisted by all the entities that list modern die varieties. The variety … Continue reading
Numismatic News reader Michael Dustin has reported the first 1964 Philadelphia Roosevelt dime with a Doubled Die Obverse that I have been able to photograph. The doubling is very similar to the 1964 Denver Mint and 1953-S and 1955-S dimes … Continue reading
David Sutton of Michigan can lay claim to reporting the first major doubled die known to me on a 1926 Winged Head Liberty dime; often mistakenly referred to as a Mercury dime. It’s certainly not of the stature of the … Continue reading
Rodger Ryan is credited with finding what might be the strongest doubled die known so far on the date of a Lincoln cent for the entire 21st century! Only the 2006 Lincoln cent: DDO-001 shows overall stronger doubling of the … Continue reading