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First Auction Appearance: Legendary 1887 Morgan Dollar Error Heads to GreatCollections
A legendary rarity has surfaced, and collectors are paying attention.
One of the greatest U.S. coin errors ever discovered, the 1887 Morgan Silver Dollar double...
Unique Martha Washington Cent Test Piece Linked to Sacagawea Dollar Trials
Original article by Mike Byers in MintErrorNews - Edited and Reformatted by CoinWeek
Experimental coins often reveal hidden chapters of Mint history. Occasionally, one surfaces...
1944-D Lincoln Steel Cent : A Collector’s Guide
1944-D Lincoln Steel Cent: Rarity, Values, and Famous Specimens
The 1944-D Lincoln Steel Cent ranks among the most important error coins in United States numismatics....
Legendary 1943-S Bronze Lincoln Cent Returns to the Market
On March 10, 2026, one of the most famous wrong-planchet errors in American numismatics crossed the auction block. Stack’s Bowers Galleries offered this 1943-S...
![1971 Jefferson Nickel Proof - Without Mintmark [LEFT} and With Mintmark [RIGHT]](webp/s-and-nos-218x150.webp "1971 “No S” Proof Jefferson Nickel: The Only Missing Mintmark in the Series")
1971 “No S” Proof Jefferson Nickel: The Only Missing Mintmark in the Series
The 1971 No S Error - 1,655 examples - Check your Proof Sets!
The 1971 “No S” Proof Jefferson Nickel (FS-501) ranks among the most...
Extremely Rare 1861-D $1 Gold Lamination Mint Error
A Confederate-Era Dahlonega Gold Dollar with a Story to Tell
In August 2024, an extremely rare 1861-D $1 Gold with a dramatic lamination mint error...
Missing-Clad Layer Mint Error Coins
By Jon Sullivan for PCGS ......
Missing Clad Layer Error Coins: A Definitive Collector’s Guide
In 1965, the United States changed its coinage forever. Rising silver...
Unique 1945-D Lincoln Cent Struck on a Philippines 10 Centavos Silver Planchet
Off-metal errors rank among the most compelling artifacts in American numismatics. Those linked to World War II hold even greater appeal. One such piece...
1958 Doubled Die Remains One of the Most Elusive Lincoln Cent Varieties
The Lincoln cent ranks among the most widely collected United States coin series. Introduced in 1909, the series spans more than a century and...
Hot Lips and Scarface: Two Dramatic 1888-O Morgan Dollar Varieties
What Is a VAM Dollar?
A VAM Dollar refers to a collectible die variety of a United States Morgan or Peace silver dollar. Collectors identify...
The Curiosity of the 2005-D Speared Bison Nickel
By Joshua McMorrow-Hernandez for PCGS ......
The 2005-D Speared Bison Nickel: A Modern Mint Variety Icon
Among modern U.S. coin varieties, few pieces spark as much...
Mike Byers Mint Error News – Unique Proof Ike Dollar “Clover Leaf” on Nickel...
"Clover leaf" Error By Mike Byers for Mint Error News ......
This remarkable "clover leaf" mint error features a Proof Eisenhower Dollar mated planchet set....
