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Proof dies employed for circulation strikes

The 1956-1964 Washington quarters from Philadelphia, not Denver, display a small percentage of the population as the Type [Variety] B or proof reverse on the circulation coins. Your publication on Nov. 16 in the “Coin Clinic” column said they came … Continue reading

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More than one Trumbull painting

Is the design on the 1976 $2 note the same as the Trumbull painting in the Capitol? Trumbull’s 1817 painting hangs in the Capitol Rotunda. In that painting some of the signers were left out. As a result, the design … Continue reading

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Doubled large cent not listed anywhere

I want to know if there is any precedent for an 1818 Coronet Head cent with a doubled die at the reverse on AMERICA. I found one on a coin I bought a couple of months ago. I can’t find … Continue reading

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Shipwreck carried money for slaves

I recently read that a large number of manilas were recovered from the wreck of the English schooner “Douro” during the 1970s. What was the function of a manila as money? The “Douro” sank after hitting the Great Crebawethan rock … Continue reading

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Few differences in grading proofs

If proof coins are legal tender and can be spent, how do you grade a proof coin that has been circulated? Proof isn’t a grade. Instead it is a designation for a specific form of coin intended for collectors and … Continue reading

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Why aren’t all varieties in price guide?

There are several varieties of the 2009 Formative Years cent, these being the number of fingers showing on Lincoln’s hand on the reverse. Why is it that these varieties aren’t listed in price guides? There are varieties of many coins … Continue reading

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Adjustment mark can lower price

World Coin Clinic By Richard Giedroyc • Can you explain what an adjustment mark is? Adjustment marks are visible scrapes on the planchet made prior to the coin being struck on that planchet. They were made to reduce the weight … Continue reading

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Coins struck over others unusual

Have U.S. coins ever been used as the host blank for a foreign coin? There are two Draped Bust silver dollar coins known to have been used as the planchets for the Uruguay 1844 1-peso fuerte. One is in the … Continue reading

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Random coin stampings untraceable

I have a French coin with a large “S” punched in horizontally across the bust. Who put it on the coin? The countermark on your coin is something that could have been added at any time from when the coin … Continue reading

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Tracking prices not an easy thing

Could the trend of the coin market be tracked by following the results of a weekly or monthly local coin show? It would be necessary to have all the dealers at that show share their invoices to track the transactions … Continue reading

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