Tag Archives: coin clinic

Detecting Counterfeit Coins in Fake Slabs

Posted on July 29, 2020 by Numismatic News Staff

Is there any way to reliably detect counterfeit coins that have been put into fake slabs? The saying “buy the coin, not the slab” still holds true. It may be more difficult to determine if a coin is a fake … Continue reading →

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Gallery Mint Museum Replica Producer

Posted on July 20, 2020 by Richard Giedroyc

Who is the Gallery Mint Museum and is it okay to buy their coins? The Gallery Mint Museum was located in Eureka Springs, Ark. It produced excellent replicas of U.S. coins between 1992 and 2007, operating in much the same … Continue reading →

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Types of Deteriorating Die Doubling

Posted on June 29, 2020 by Richard Giedroyc

Is there more than one type of deteriorating die doubling? Inside Abraded Die Doubling is caused by wear at the edges and inside the design detail. It appears as an enlarged, irregular outline overlapping the original design element. Outside Abraded … Continue reading →

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Why Do ‘Original Holders’ Matter?

Posted on June 22, 2020 by Numismatic News Staff

I’ve noticed several dealers advertising coins for sale certified by third-party services as being housed in “original” holders. Can you explain why this matters? It is the opinion of some dealers and collectors that the accuracy of the grading offered … Continue reading →

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Do I Have a 1901/O-S Half Eagle?

Posted on June 15, 2020 by Richard Giedroyc

How can I tell if I have a 1901/O-S half eagle? This overdate variety is known as Breen 6780. It can be identified via the remnant of the curve of a “0” near the upper right of the final “1” … Continue reading →

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Background on the Belleville Mint

Posted on June 8, 2020 by Numismatic News Staff

What is the story behind the Belleville Mint? John Gibbs of Belleville, N.J., billed himself as the Manufacturer of Medals and Tokens. Gibbs produced, among other things, Hard Times tokens. Gibbs shared a building with Stevens, Thomas, and Fuller, who … Continue reading →

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Coin Clinic: The ‘Big Three’ Certification Services

Posted on May 18, 2020 by Richard Giedroyc

What sets the so-called “Big Three” certification services apart from the other similar services? Each of the companies that are well-accepted as being standards of the business of coins has made their grading standards public. Each of these services is … Continue reading →

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Coin Clinic: Advice For Selling U.S. Mint Proof Sets

Posted on April 27, 2020 by Richard Giedroyc

I’ve made the decision to sell in bulk my 1960-2019 U.S. Mint standard proof sets. Before I sell these sets, I want to check them for major errors. I’ve reviewed my Mega Red Book and found a handful or so … Continue reading →

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Coin Clinic: What Happened to the Dalles Mint?

Posted on April 20, 2020 by Numismatic News Staff

Why was a branch mint proposed for Oregon when a mint was already in operation in San Francisco? A Pacific Northwest mint was perceived as being necessary following the discovery of gold in Idaho in 1860. Due to the distance … Continue reading →

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Coin Clinic: Who is Farran Zerbe?

Posted on April 13, 2020 by Richard Giedroyc

The American Numismatic Association has a Farran Zerbe Memorial Award. What can you tell me about Zerbe? Farran Zerbe (1871-1949) was president of the American Numismatic Association (ANA) between 1908 and 1910. One of his important contributions was to purchase … Continue reading →

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