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1877 Twenty Cent Piece graded NGC PF65UCAM. Image: Heritage Auctions (visit www.ha.com).

Twenty Cent Piece, 1875-1878 | CoinWeek

By Charles Morgan and Hubert Walker for CoinWeek Notes .....   The Twenty Cent piece (also called a Twenty Cent coin) was a short-lived denomination equalling...
1990-S Proof American Silver Eagle. Image: Stack's Bowers / CoinWeek.

1990-S Proof American Silver Eagle : A Collector’s Guide

By Charles Morgan and Hubert Walker for CoinWeek Notes .....   Collector enthusiasm lifted demand for the 1990-S Proof American Silver Eagle to its highest sales figure since 1987. The United States...
1916-D Mercury Dime.

1916-D Mercury Dime : A Collector’s Guide

By Charles Morgan and Hubert Walker for CoinWeek Notes .....   The 1916-D Mercury dime is a scarce key date coin from the first year of issue of an iconic American coin...
2024 Kennedy Half Dollars. Image: U.S. Mint / Official Presidential Portrait.

2024 Kennedy Half Dollar Rolls, Bags Available From U.S. Mint April 23

By CoinWeek ....   Rolls and bags of the 2024 Kennedy half dollar will be directly available to collectors for purchase from the United States Mint...
2018 World War I Centennial Commemorative Dollar coin. Image: U.S. Mint / CoinWeek.

2018-P World War I Army Veterans Centennial Silver Dollar : A Collector’s Guide

By Charles Morgan and Hubert Walker for CoinWeek Notes ..... It was the "War to End All Wars." When the United States entered the conflict on April 6, 1917, World War...

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Ancient Coins

First Read: 100 Greatest Ancient Coins, Third Edition

Review by Mike Markowitz for CoinWeek .....   With nearly six decades of experience in the business, Chicago coin dealer Harlan J. Berk is a well...

Collecting Strategies

Modern Quarters Worth Money

By CoinWeek .... Have you ever looked through your change, wondering if any of the coins you have might be valuable? Some of them are....

Park Avenue Numismatics Gold and Silver Bullion

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World Coins

Ten Powerful and Beautiful Women on Coins

By Tyler Rossi for CoinWeek .....   Janina Żółtowska The first woman on this list, depicted on the Polish 2, 5, and 10 Zlote coins between 1932...

Bullion

Costco Gold Bars Earn Almost 25% Return for Early Buyers

By Hubert Walker for CoinWeek ....   Since the summer of 2023, Costco has offered its members 24-carat, .9999 fine PAMP Suisse 1oz gold bars, both...

Numismatic Terms

Certification Number – How to Verify Graded Coins

By Charles Morgan and Hubert Walker for CoinWeek Notes ..... (n.) A certification number is a unique identifier printed on a coin's label on coins encapsulated by a third-party grading company, which...

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Latest Articles & News

Love Tokens Were Once Popular Valentine’s Day Gifts

By CoinWeek .....   Love tokens are a class of numismatic collectible, where one or sometimes both sides of a coin have been smoothed down and...

1838-O Capped Bust Half Dollar : A Collector’s Guide

The 1838-O Capped Bust half dollar is one of the greatest rarities in all of American coinage. Its origins are enigmatic. Ranked in the...

Fairmont Gold Coins, Part III: The Ungraded Fairmonts

By Richard Radick for Douglas Winter Numismatics (DWN) ...... In the first piece in this series, I distinguished three categories of coins in the Fairmont...

John Wayne Congressional Gold Medal (1980) : A Collector’s Guide

The United States Congress awarded American actor John Wayne a Congressional Gold Medal in 1979, but the medal wasn’t completed until after his death....

Oliver Christian Bosbyshell – U.S. Mint Figure Profile

Oliver Christian Bosbyshell: Chief Coiner and Superintendent of the Philadelphia Mint. Born January 3, 1839 in Vicksburg, Mississippi. Died August 1, 1921 in Philadelphia,...

Ligature – An Element of Coin Engraving Design

A printing, engraving, and general design term, a ligature is a combination of two letters into a single unit in order to appear more...

Butte Nugget – It’s Not What You Think…

The Butte Nugget is a 6.07 pound gold nugget that was discovered in a northern California gold field. The Butte Nugget sold on October...

American Numismatic Association Centennial Medal (1991) : A Collector’s Guide

The American Numismatic Association Centennial Medal was issued in 1991 to commemorate the 100-year anniversary of the American Numismatic Association (ANA). The medal's obverse was...

Dominion Grading Service – A Defunct Coin Grading Company

Dominion Grading Service (DGS) is a defunct grading service operated by David Lawrence Rare Coins of Virginia Beach, Virginia. It was operational from April...

Oct-1-En-3-One – Why Do Coins Smell That Way?

Why do pennies and other coins smell that way? Oct-1-En-3-One (also 1-octen-3-one) is the chemical responsible for the dull, metallic smell we associate with...

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