The Story of the 1973/74 Aluminum Lincoln Penny

By Blanchard & Company ......   How do you run a successful business? You make sure that costs don’t exceed revenues. However, in a 2014 biennial report to...

World Records – The Most Expensive Roman Gold Coin Ever Sold...

As one of the largest surviving Roman gold medallions, this piece is one of only two known. circa 308 CE Eight-Aureus Gold Medallion On April 5,...

Mike Byers Mint Error News – Unique Dual Mint Mark Proof...

Unique Dual Mint Mark Discovery   By Mike Byers for Mint Error News ......   Upon closer examination of the understrike on the reverse of the quarter, Jon...

Mike Byers Mint Error News – Unique Proof 1776-1976 S Bicentennial...

Double Denomination & Dual Date   By Mike Byers for Mint Error News ......   This is the only known Proof Bicentennial quarter struck over a Roosevelt dime....

A Neat Knick-Knack – Counterfeit 1842 Dahlonega Gold Half Eagle

Dahlonega Gold Counterfeit by Doug Winter - RareGoldcoins.com CoinWeek Content Partner ......   As you become a more passionate collector, “oddball” items become more appealing. I refer...

NGC Certifies Seated Liberty Half Dollar Error Struck on Quarter Planchet

Numismatic Guaranty Corporation® (NGC®) has certified an incredible error coin: a Seated Liberty half dollar struck on a quarter planchet. This stunning error is...

Major Mint Error – The Sacagawea Dollar / Washington Quarter Mule

 CoinWeek IQ: Major Mint Error - The Sacagawea Dollar / Washington Quarter Mule On March 22, 2018, Stack's Bowers will offer the 17th known example...

Heritage Auctions – Seldom Seen Selections: 1922 High Relief Peace Dollar...

Judd-2018 is a recently discovered trial striking of the 1922 High Relief Peace dollar, struck in business-strike format and first reported by David W....

Swiss Mint Issues World’s Smallest Gold Coin Showing Albert Einstein

By The Federal Mint Swissmint ......   The Smallest Gold Coin in the World With determination, patience, and ingenuity, Albert Einstein established his enduring fame in 1905...

Million Dollar Coin Watch: Walton 1913 Liberty Nickel on eBay

By CoinWeek News Staff ....   You just don't see this every day. The Walton specimen 1913 Liberty nickel is available for sale on the internet auction...

Double-Tailed Quarter Dollar Error Coin – Most Expensive Washington Quarter Error...

 Nationally-known error coin dealer Fred Weinberg always brings amazing error coins with him when he travels the national coin show circuit. At the January 2018...

Mike Byers Mint Error News – Certified Pattern Struck on Gilded...

This recent discovery was previously unknown to the numismatic community Authenticated and certified by NGC (and approved by CAC), this 1852 gold dollar pattern (Judd...

Mike Byers Mint Error News – Unique Set of Third Reich...

By Mike Byers for Mint Error News ......   This is a unique historical and unbelievable set of all three Third Reich proof silver issues in...

Eroticism on Ancient Coins (Adults Only)

CoinWeek Ancient Coin Series by Mike Markowitz.... Through a long chain of pious frauds and medieval myth-making, the February 14 feast day of St. Valentine,...

Mike Byers Mint Error News – NGC Certifies Unique 25¢ Feeder...

By Mike Byers for Mint Error News ......   This is the only known full-size feeder finger for any U.S. denomination that has not been struck...

NGC Certifies Unique 1952 Great Britain Penny

In Great Britain, the year 1952 saw a change of monarch, the first home-use microwave oven and the Great Smog of London, but nothing...

Unique Ronald Reagan Presidential $1 Mint Error Discovery Coin Available at...

Only known piece with missing edge lettering By CoinWeek ....   As many collectors know, after the first few Presidential $1 coins were issued in 2007, some...

Metal Monsters: The Biggest Ancient Coins

CoinWeek Ancient Coin Series By Mike Markowitz.... In 2007, Canada captured a world record by producing five examples of a 100 kilogram gold piece (220.5...

U.S. Coin Patterns for Less Than $5,000 Each, Part 4: 1866-71...

Coin Rarities & Related Topics: News and Analysis regarding scarce coins, markets, and coin collecting #362 A Weekly CoinWeek Column by Greg Reynolds .....   This is the...

The Fitzcarraldo of Kweichow, Warloard Zhou Xicheng and the 1928 Chinese “Auto...

By Ron Drzewucki - Modern Coin Wholesale ....   It’s said that every coin tells a story. Boy, do I have one straight out of Mysteries...

Unusual Items: US Mint ‘Gold Disks’ Made for Oil Payments to...

One of the things we find most exciting about reporting on the numismatic marketplace is coming across those things we either didn’t know beforehand,...

Rare US Coins – Glass Cent Pattern Discovered

By Everett Millman - Gainesville Coins .......   Amid the nationwide mobilization effort for the Second World War, the United States Mint was forced to explore...

Comets and Meteorites on Ancient Coins

By Mike Markowitz for Coinweek ....   Ancient Coin Series THE NIGHT SKY WAS ESPECIALLY IMPORTANT to ancient people. This can be hard for us to understand,...

Mike Byers Mint Error News – Unique 1870 Standard Silver Dime...

By Mike Byers for Mint Error News ......   This is a unique and spectacular mint error, a proof pattern off-metal. It was struck on a...

Mike Byers Mint Error News – Unique 1842 Argentina 8 Escudos...

By Mike Byers for Mint Error News ......   This is an incredible and unique 1842 Argentina 8 Escudos struck in silver. It is an obverse...

Mike Byers Mint Error News – Unique Great Britain Guinea/Sovereign Pattern...

Recently Surfaced After 200 Years   By Mike Byers for Mint Error News ......   W&R-182 Copper NGC MS62BN Although this unique pattern Guinea/Sovereign is listed in the...

Stack’s Bowers: 1982-83 Bronze Lincoln Cent Errors Featured in August 2017...

By James McCartney, Numismatist & Cataloger - Stack's Bowers ......   The Denver Mint struck over 12 billion Lincoln cents in 1982 and 1983 combined, ensuring...

100 Troy Ounce Gold Nugget from California’s Mother Lode on Showcase!!

The LARGEST CALIFORNIA GOLD RUSH NUGGET left in existence, the 100 troy ounce gold nugget discovered last year in Nevada County, California,...

Mike Byers Mint Error News – Unique & Unlisted 1869 Standard...

By Mike Byers for Mint Error News ......   Patterns in the Standard Silver series, inscribed on each coin STANDARD SILVER, were produced in the dime,...

Mike Byers Mint Error News – NGC Certifies Unique Great Britain...

By Mike Byers for Mint Error News ......   This is the only known 1911 Great Britain 5 Pound Die Trial. It was struck on March...