Author Archives: Ken Potter

Cent errors show drama of minting

In recently discussed many ways to collect errors and varieties, one of which being an assemblage of one of each error-variety type that is possible within a series. I’d like to show more of the types that a collector might want to add to his or her collection. Continue reading

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Plain edge on Buchanan $1

A James Buchanan Presidential dollar has been found with a plain edge. So far, it is the only one reported. Continue reading

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More scrutiny finds more rays

More extra rays in Liberty’s crown have been found on Presidential dollar coins. Continue reading

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One extra ray in Liberty

Eagle-eyed variety coin aficionado Rich Darby of New York State has found a Denver version of a Thomas Jefferson Presidential dollar with a die clash resulting in an aberration that makes the rays in Liberty’s crown (on the reverse) appear to have an eighth ray where there are normally seven. Continue reading

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Dropped letter error on Polk $1

A 2009-P James K. Polk Presidential dollar with dropped “T” letter on the edge has been found by John Morris of Florida.
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Half shows error

Strike-through errors are among a number of interesting errors that turned up recently. Continue reading

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$100,000 find

First there was one, then three and now there are four 1969-S Doubled Die Obverse No. 1 cents that have been found by collectors within just the past three years. Continue reading

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B&M sells errors

Mint errors highlighted a Bowers & Merena’s auction held in conjunction with the Whitman Coin & Collectibles Baltimore Summer Expo June 18-19. Continue reading

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Rare cent count reaches three

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

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Odd type of error appears on edge

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

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