1970-S Proof 25C Struck on a Silver Barber 25C NGC PF 65 - One of Two Known

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Mike Byers is a World Renowned Expert on U.S. & World Major Mint Errors and an Award Winning Author
He literally "wrote the book"
World's Greatest Mint Errors
, which received the Numismatic Literary Guild's award for Best World Book. He is the publisher & editor of Mint Error News Magazine & Website which is widely regarded as the most informative and comprehensive resource for Major Mint Errors. He was an ANACS consultant for Major Mint Errors and has written articles for the Coin Dealer Newsletter. Mike Byers and his discoveries have been featured on the front page of Coin World numerous times. Mike Byers Inc carries a multi-million dollar world class inventory of major mint errors, die trials and numismatic rarities. His extensive personal collection of major mint errors is being authenticated and certified by NGC and designated on the insert as THE BYERS COLLECTION.
1970-S Proof Washington Quarter
Struck on a Silver Barber Quarter
NGC PF 65
1 of 2 Known
Fox 5 News Interviews Mike Byers
About His Unique Quarter
Proof coins are struck by technicians who hand feed the blanks into special presses. They are produced, examined and packaged using extreme quality control. It is very unusual to find major proof errors. A few broadstrikes, off-centers, double strikes in collars and off-metals have been known to be found in sealed proof sets. Proof errors are aggressively sought after by many error collectors.
A very small group of Proof errors recently came from a collection that was auctioned by the State of California. The U.S. Secret Service inspected and released this collection to the State of California determining that it was legal to own. The State of California then auctioned the collection and it has been dispersed since the sale.
Proof Washington Quarters struck in 1970 by the San Francisco Mint were clad. This 1970-S Proof Quarter was over-struck on a Silver Barber Quarter and is one of two known. This mint error was originally discovered in group of San Francisco Proof Errors that was auctioned by the State of California. There is some detail on both sides showing the design of the Barber Quarter. This is one of the most famous U.S. Proof Major Mint Error ever released from the San Francisco Mint.
These famous and enigmatic Washington Quarters from the San Francisco Mint struck in Proof, over a U.S. Silver Barber Quarter (1892-1916) and over a 1941 Canada Silver Quarter. These were both featured in a TV interview I did with Fox News. These fascinating errors went "viral" and were featured in USA Today, London's Daily Mail, AP News, Coin Week, New York Post, Newsmax, NBC News, Numismatic News, Time Magazine and on Maria Bartiromo's TV show.
Featured on the cover of
Mint Error News Magazine Issue 37
Proof Errors are featured in Chapter 21
of my NLG award winning book,
World's Greatest Mint Errors
:
The Mint Error News website homepage has an article "Foreigners In The Mint" that features a 69 page report of coins struck by the U.S. Mint for foreign countries. It is the most comprehensive report available anywhere.
Buying and Selling Rare Coins
Certified by PCGS & NGC
Rare U.S. Gold Coins
U.S. Patterns & Die Trials
U.S. & World Major Mint Errors
MIKE BYERS
Dealing in Rare Coins & Fine Art for 40 Years
Mike Byers has been a professional numismatist for forty years. He is one of the largest dealers handling U.S. Gold Coins, Patterns and Rarities certified by PCGS and NGC. He has handled major coin collections and attends every major coin convention. Mike Byers carries an extensive inventory as well as solicits want lists and is always looking to purchase fresh inventory and collections.
Mike Byers was a consultant to ANACS for Mint Errors from 2000 to 2006. He is also the Publisher and Editor for
Mint Error News Magazine
and the
Mint Error News Website
that was founded in 2003. In 2009, Mike Byers published his first book,
World's Greatest Mint Errors
, which received the NLG Award for Best World Coin Book. In 2016, Mike Byers was featured on Fox News in an interview with one of his unique mint errors.
Mike Byers is a life member of ANA since 1985, a charter member of NGC and a featured dealer/member of PCGS. He is also a life member of the Central States Numismatic Society and the Florida United Numismatists. He is member A71 in the Certified Coin Exchange (CCE) and a member of CDN Exchange (BYRS).
Mike Byers was born in the coin business attending coin shows since he was six years old. When he was seventeen, he issued his first coin catalog. He has been a Market-Maker in U.S. Gold Coins and a dealer in major mint errors. In 1987 he offered limited partnerships and rare coin funds. He has written articles for The Coin Dealer Newsletter and has been featured on the front page of Coin World numerous times with his numismatic rarities. Mike Byers is a contributing author on mint errors for CoinLink & CoinWeek. He also assisted with the mint error section of Coin Facts on the PCGS website. You can visit Mike Byers and view his rarities at the ANA, Central States, FUN show and the Long Beach Coin Expo.
Mike Byers also deals in fine art including Leroy Neiman original oils as well as works by other renowned artists. He buys and sells oil and acrylics on canvas and board, bronzes, watercolors and mixed media artwork.
2016: Fox News Interview
In 2016, Mike Byers was interviewed in a Fox News segment showcasing his unique 1970-S Proof Quarter that was struck on a 1941 Canadian Quarter.
2009: World's Greatest Mint Errors
In 2009, Mike Byers published his first book,
World's Greatest Mint Errors
. This book combines stunning imagery with the most accurate information available to provide anyone interested in mint errors with the latest information on mint error coins from the United States and around the world. Hundreds of spectacular mint errors are pictured. Each error coin photo is presented in full color, and enlarged to enhance the smallest details. Some of the error coins featured in this book have never been seen by the public before, and each is described in great detail as to the type of error, the assigned grade, rarity and estimated value.
NLG Award for Best World Coin Book
in 2009 for
World's Greatest Mint Errors
2009: The Coin Dealer Newsletter
Mike Byers was the featured author in the October 9, 2009 issue of The Coin Dealer Newsletter (Vol. XXXIV No. 10) with a front-page article on mint errors.
2003: Publisher and Editor of Mint Error News
Magazine & Website
In 2003, the
Mint Error News
website was launched, which was originally sponsored by Mike Byers and ANACS. Due to the popularity of mint errors and the magazine it is now sponsored by Mike Byers and several other mint error dealers. It is a website devoted to bringing the latest mint error news and information to the collector. There are now hundreds of articles with features, discoveries, news stories, and mint error related info from the United States and around the World. This website became so popular that a print version, Mint Error News Magazine, was created and is read by thousands of readers.
THE BYERS COLLECTION
NGC began certifying a few major mint errors from Mike Byers' personal collection. These spectacular and rare coins each have "BYERS COLLECTION" designated on the NGC insert.
1874 G Mirror
Brockage on Obverse
NGC MS 62
1904 Double Struck
Rotated 180 Degrees in Collar
NGC MS 62 CAC
0,000
(1928) 25¢ Struck on a
1¢ Planchet 3.02 Grams
NGC MS 63 BN
Featured on the Front Page of Coin World
Mike Byers' discoveries have been
featured on the front page of Coin World.
1999: Mike Byers Inc. Website Launched
Mike Byers Inc is one of the largest Numismatic corporations dealing in U.S. Gold Coins, Patterns and Rarities certified by PCGS and NGC. The Mike Byers Inc website was launched in 1999 and today it is considered the most widely viewed and informative numismatic websites specializing in PCGS or NGC certified Pre-1840 Gold Coins, Patterns or Early Type Mint Errors (Pre-1950).
Coin World December 1, 2003 Page 53 Full Page Ad
1990-1999: Dealer in World Coins
Since 1990, Mike Byers has traveled extensively in Europe purchasing the finest quality World Coins. We specialize in Swiss, German and English rarities in the finest quality obtainable. Here's an example of a full page ad in the European Coin Magazine,
Munzen Revue
. We buy many high quality World rarities.
1987-1988: Limited Partnerships / Rare Coin Funds
In 1987, Mike Byers Inc was one of the FIRST major U.S. dealers to offer SEC approved Limited Partnerships / Rare Coin Funds. We purchased major rarities including proof gold, early type gold, and gem mint state gold. Our ads soliciting investors appeared in the
Wall Street Journal
,
Coin World
, and other publications. Later on, many coin dealers followed our lead and offered Limited Partnerships as well.
1978-1999: Market-Maker in U.S. Gold Coins
Mike Byers and Mike Byers Inc have purchased millions of dollars of rare United States gold coins and collections. For over 35 years we have been Market-Makers in U.S. gold coins. Here is an example of one of our many full page ads in the Certified Coin Dealer Newsletter, which we placed over the years. We buy and sell proof gold, mint state gold, gold commems and early gold.
1975: Major Mint Error Catalog
From 1974 - 1978 I mailed out over 25 price lists of major mint errors. My all time favorite was my first catalog which was photographed, printed and distributed in 1975 by John Devine (Lonesome John) from Newbury Park, CA. It was a 26 page catalog containing the finest major mint errors with photographs, descriptions and prices.
This Gold Indian Head Cent was
recently certified by PCGS as MS 65.
TERMS OF SALE
When Purchasing Items
From Mike Byers Inc:
All coins are kept in a bank vault. Please allow two business days for order processing.
Prices are subject to change without notice and all items are subject to prior sale.
All coins are guaranteed genuine and are delivered registered, insured, and prepaid.
We accept credit cards and PayPal. There is a 5% fee for any returned items that were paid using PayPal.
Seven day return privilege upon receipt. Coins must be returned in original holders.
Sales tax will be collected unless a proper resale certificate is provided at the time of purchase.