Here Is A Complete List Of Over 650 Articles From Mint Error News

World's Greatest Mint Errors

Coming soon, a new book by Mike Byers...

Mike Byers' Catalog

Featuring a premier inventory with hundreds of rarities....

NGC Certifies Proof John Q. Adams $1 Struck On An Elliptical Planchet

As incredible as it sounds, another proof Presidential Dollar was just discovered struck on an elliptical planchet...

From the Grading Room: 1973-S Dollar on a Copper-Nickel Planchet

This superb gem Eisenhower Dollar was struck at the San Francisco Mint for inclusion in the series of “blue pack” silver-clad dollars...

Off Center Mint Error Sales

Some recent sales of off-center mint errors on eBay from 7/1/08 to 9/30/08...

Double Denomination & Off Metal Mint Error Sales

Some recent sales of double denomination & off-metal mint errors on eBay from 7/1/08 to 9/30/08...

Clad Layer Split-Off Mint Error Sales

Some recent sales of clad layer split-off mint errors on eBay from 7/1/08 to 9/30/08...

Waffle Coin Sales

Some recent sales of Waffle Coins on eBay from 7/1/08 to 9/30/08...

Buffalo Nickel "Speared Bison" & Winsonsin Quarter "Extra Leaves"

Some recent sales of Buffalo Nickel "Speared Bison" and Winsonsin Quarter "Extra Leaves" mint errors on eBay from 7/1/08 to 9/30/08...

Presidential Dollar Mint Error Sales

Some recent sales of Presidential Dollar mint errors on eBay from 7/1/08 to 9/30/08...

Minnesota Doubled Die Sales

Some recent sales of Minnesota Doubled Dies on eBay...

1903 Louisiana Purchase Three-Piece Cardboard Die Trial Certified By NGC

The cardboard has a rich, deep gold color, obviously meant to suggest the gold dollars that were soon to be struck...

PCGS Certifies Walking Lib 50¢ Double Struck 50% Off-Center On A Silver Quarter Planchet

This unique and spectacular Walking Liberty Half Dollar major mint error is among the rarest and most valuable U.S. mint errors known...

NGC Certifies Proof Jefferson Presidential Dollar Struck on Elliptical Planchet

Unbelievably, a second known U.S. proof coin struck on an elliptical planchet has been discovered...

1983 China Mint Tour

I have had the opportunity to take numerous tours of the official government-run Shanghai Mint through the years...

New 2007 Mint Errors

There have only been a few major mint errors discovered in 2007...

Presidential $1 Error Coins: James Monroe

NGC has certified a few James Monroe $1 edge lettered planchets...

NGC Certifies 2008 Monroe Dollar Edge Lettered Planchet

This is the second one known dated 2008...

The Only Known Certified Gold Die Cap

This is the only known obverse or reverse die cap struck in gold...

1969-S Lincoln Cent Doubled Die Sells For $126,500

From the Heritage Auction Listing...

What Are Die Caps?

A die cap is caused when a struck coin sticks to the upper hammer die...

Presidential $1 Error Coins: 2007 Proofs

As a general rule, modern proof error coins are scarce...

PCGS Certifies Jefferson Dollars With Missing Edge Lettering

PCGS just certified a small group of Jefferson Dollars that are Missing the Edge Lettering...

Presidential $1 Error Coins: John Adams

Just like the Washington $1 coins, the Adams coins show an abundance of edge lettering errors...

Washington Dollar Mint Error Special Section

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Director of U.S. Mint Autographs NGC Certified “Missing Edge Lettering” Presidential Dollar Mint Error

The Washington Dollar Missing Edge Lettering is one of the most exciting mint errors to surface in the last ten years...

Al's Coins 2007 Mint Error Price List

Specializing in Mint and Currency Errors for 25 years...

Unique 1866 $2½ Struck on 3 Cent Nickel Planchet Certified by NGC

It is one of two known U.S. Liberty gold coins struck on wrong planchets and certified by either NGC or PCGS as a mint error...

1851 3¢ Obverse & Reverse Die Trial Struck on Cardboard

It is clearly embossed with lettering and design elements raised...

A Study of World Mis-Struck Coins

This chart covers India striking errors through 1994...

Fred Weinberg’s Price List of Major Mint Errors & Currency

We proudly offer many dramatic & very Rare Type coins, and more current Errors (1960’s + 1970’s) that have not been on the market for 20-30 years...

The Milt Cohen Collection

It is fascinating to not only view all of the rarities that were in his collection, but also to remember where some of them have gone over the years...

Sacagawea Dollars with an Experimental Finish

Mike Byers discovered the original hoard of these Sacagawea Dollars with experimental finishes...

NGC Certifies 1804 $2½ Capped Bust Double Struck First Strike Off-Center

All major mint errors on U.S. Gold coins are very rare...

1865 2¢ Obverse Die Cap & Brockage

This is a spectacular 2¢ Die Cap...

Spectacular Ike Dollar Off-Metal Collection

These are the ultimate off-metals that are coveted by serious collectors of major mint errors....

1806 $5 Capped Bust Struck Four Times

This discovery coin is a significant numismatic rarity...

Cent/Dime Mule Sold for $138,000 in Heritage Auction at Central States

This incredible error somehow escaped the scrutiny of Mint employees...

Unique 1920 Standing Liberty Quarter Struck on Peru 20C Planchet Certified by NGC

This is the only known Standing Liberty Quarter struck on a foreign planchet for the entire series...

NGC Certifies Set of Two-Headed and Two-Tailed Great Britain Half Pence

There are approximately thirty genuine two-headed or two-tailed coins that have been authenticated by ANACS, PCGS or NGC...

Unique 1999-P Lincoln Cent Struck on 1980-D Dime

It is one of the most intriguing and rare mint errors that I’ve ever handled...

The Bolt Collection

It is incredible to see how inexpensive these mint errors were priced at over 30 years ago...

Martha Washington Test Piece Struck on SBA Dollar Blank Planchet With Experimental Edge

The Martha Washington design has been used by the Mint as an all-purpose test piece since 1965...

1880/9-S Morgan Dollar Struck 10% Off-Center PCGS MS 63

This is the only known Morgan Dollar struck off-center that is also an overdate...

3 Decade Old Catalog Found

A 26 page catalog containing the finest major mint errors with photographs, descriptions and prices...

Foreign Coinage Production Figures

An expansive document detailing mintages of foreign coinage struck by the US Mint...

1975 Catalog & Price List

A 3 decade old mint error catalog and price list have been found...

Rare Pattern Mint Errors

A selection of rare pattern mint errors...

Unique NGC Set of Paraguay Overstrikes

Nineteenth century Paraguay patterns that were overstruck on previously struck gold, silver and copper coins...

Double Struck $2 ½ Indian Sells for $66,125 at FUN in Heritage Galleries Auction

This dramatic and unique double struck $2 ½ Indian set a record price for a $2 ½ Indian Gold mint error...

1795 Flowing Hair Dollar Overstruck on 1794 Dollar

To the best of our knowledge, no similar specimen has ever been located or identified...

The Only Known Walking Liberty Half Dollar Off-Metal

This is the only known Walking Liberty Half Dollar struck on a Foreign Planchet for another country...

1904 $20 Liberty Triple Struck Sells For Over $100,000

This unique U.S. Gold major mint error recently sold for a record price of $102,500...

A New Book By Mike Byers

Coming Soon: Mint Error Guide...

Triple Struck $3 Sells for $41,400 in Superior Auction

Mike Byers of Byers Numismatic Corp. purchased an extremely rare major mint error...

Foreigners in the Mint

The United States Mint struck coins for foreign countries starting in 1833...