Author Archives: Ken Potter

Problems on edge damage or errors?

Garrett Reich of Michigan sent in several 2009-P William Henry Harrison Presidential dollars exhibiting what I call Shifted Edge Lettering. Continue reading

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No longer unique: Second Close AM 1992 cent found

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

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Professional Life cents show flaws

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

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Four more doubled cents identified

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.
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Puerto Rican quarter die break not a cloud

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

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First doubled-die Guam quarter ID

Floyd Howze of North Carolina sent in the first report to Numismatic News of a 2009-P Guam Territorial quarter with an obverse doubled die. Continue reading

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More than 300 cents show large die crack

Richard Giedroyc sent in photos to Numismatic News of a 2009 Formative Years (Rail Splitter) Lincoln cent that shows a rather pronounced die crack that extends from Lincoln’s left boot through the second “U” in PLURIBUS at 6 o’clock on the reverse. Continue reading

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Rail Splitter cent shows doubled clash marks

Chris Kukor of Wisconsin sent in an interesting 2009 Formative Years (Rail Splitter) cent with doubled clash marks on the obverse of moderate strength and a rather subdued single clash mark on the reverse. Continue reading

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Reports slow for doubled DC

In my last installment of this series on doubled die finds on the District of Columbia quarters, I reported that Rick LaJoie of New Hampshire had spotted three new varieties on the Philadelphia issue. This brought us up to one variety for the Denver issue and six for Philadelphia. Continue reading

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Reeds on dollar

A 2007-P George Washington Presidential dollar with a serrated edge that seems to defy logic has been reported to me by Rodger L. Poole of Fairborn, Ohio. Continue reading

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