FREE TOOLS AND DOWNLOADS
Subscribe to Numismatic News
More Numismatic Magazines
Answer our latest poll question
Letters to the Editor
- Letters to the Editor (3/10/15) Homestead quarter shows up in OrlandoReceived a 2015 Homestead National Monument quarter Feb. 16 at a local Krispy Kreme doughnut shop in Orlando, Fla.Bill Mills FloridaThree 2015 cents appear near AtlantaI just got three 2015 cents in ch...
Place an ad to buy or sell coins online in our classifieds section.
Look up coin values with the Numismaster coin price guide.
Check out upcoming coin auctions.
Author Archives: Ken Potter
Mint errors highlighted a Bowers & Merena’s auction held in conjunction with the Whitman Coin & Collectibles Baltimore Summer Expo June 18-19. Continue reading
Of all the errors and varieties I featured last year, arguably the most important, at least in terms of rarity and value, was a second known specimen of the elusive 1992 Philadelphia-Mint Lincoln cent struck with a “Close AM” design style reverse. Continue reading
Gary Kelly of Michigan has come up with 2008-D Martin Van Buren Presidential dollar with a pretty rare error type known as the Dropped Letter or Dropped Design. Continue reading
A.G. Meredith of North Carolina sent in a 2008-P Alaska state quarter with a rather prominent example of an otherwise common effect seen on a large percentage of coins struck at the United States. Continue reading
Garrett Reich of Michigan sent in several 2009-P William Henry Harrison Presidential dollars exhibiting what I call Shifted Edge Lettering. Continue reading
A second known specimen of the elusive 1992 Philadelphia minted Lincoln cent struck with a “Close AM” (of AMERICA) design style reverse has been reported. Continue reading
After a major lapse in time, I am again getting reports on major die crack varieties found on proof coins. The latest two are both on the Professional Life Lincoln cent reverse and were found in August. Continue reading
Collectors have continued to find more Formative Years doubled-die varieties to a point that variety coin attributers are approaching or are have exceeded as many as 60 listings for the reverse alone.
Jim Dawson of Florida sent in a 2009-P Puerto Rico quarter that shows multiple die chips and die breaks on the reverse. Continue reading