Author Archives: Ken Potter

Another Roosevelt dime with doubled lips discovered

A 1953-S dime with nice hub doubling of Roosevelt’s lips has been reported by Calvin Goddard of California. Goddard found this coin in his collection after reading the Jan. 6 Numismatic News story about the find of a 1964-D doubled … Continue reading

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Doubled-die gold ounce and clad quarter found

Dr. James Wiles, CONECA’s attributer of 20th and 21st century die varieties, has just listed spectacular doubled dies on a 1986 gold $50 American Eagle and on a clad proof 1999-S Pennsylvania state quarter. The 1986 gold American Eagle, submitted … Continue reading

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Collector discovers “Hot Lips” 1964-D Roosevelt dime

Numismatic News reader Mark Joyner of Pennsylvania has reported a 1964-D Roosevelt dime that exhibits one of the strongest examples of a coin sporting “doubled lips” as the result of Hub Doubling, or what most collectors refer to as a … Continue reading

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Small show yields find

For years I have been seeking out a larger size coin with Double Collar Cuds. And I finally found it at the Suburban Detroit Area Coin Show.
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CONECA selects Cherrypickers Award winners

Every year at the ANA’s, World’s Fair Of Money, the Combined Organizations of Numismatic Error Collectors Of America (CONECA) gathers together for their annual event dubbed Errorama. Continue reading

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Book spurs rare cent find

A 1983 copper-alloy cent has been found by a Pennsylvania collector who had purchased a copy of Strike it Rich with Pocket Change that was co-authored by Dr. Brian Allen and me. Continue reading

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Hash marks found on more coins

A tail feather hash mark noted on the San Francisco “no mintmark” bullion coin housed in the 25th anniversary American Eagle set no longer seems unique to the set. The hash mark is also turning up on “no mintmark” San Francisco bullion coins that were struck and released earlier this year to the investor market and also slabbed as San Francisco coins by third-party grading services. Continue reading

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Die crack found on reverse proofs

Numismatic News reader Dan Matsanka reported finding three 2011-P reverse proof silver American Eagles that sport a die crack on the obverse that runs horizontally through the lower portion of Miss Liberty’s gown. Continue reading

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Tail feather mark found

Is there a way to identify a San Francisco Mint silver Eagle that doesn’t have a mintmark on it once it has left the 25th anniversary set? Continue reading

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Collector nabs Eagle errors

Two down, one to go. That sums up California collector Lawrence B. Gratt’s quest to own examples of each of three proof platinum Eagle errors reported earlier this year. The question is will he get that elusive third piece? Continue reading

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