1972 Denver 25C on a PROOF Nickel Planchet 5.0 Grams NGC MS 64 UNIQUE

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Contact Us | Other Auctions | About Our Coins | About Our Art 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. 1972 Denver Washington QuarterOn A Nickel Planchet 5.0 GramsStruck on a Proof PlanchetNGC MS 64UNIQUEThis is a unique discovery mint error. Somehow a specially prepared proof planchet intended for striking of proof quarters was mixed in with uncirculated blanks striking mint state coins in Denver. This type of error has only occurred on modern coinage. The Philadelphia Mint prepares the proof blanks which are then sent to San Francisco or West Point for striking. I discovered several SBA Dollars struck on specially prepared proof blanks that were also off-center or broadstruck, but struck by regular dies intended for circulating coinage.These coins that are struck on specially prepared proof planchets have an extreme proof-like field and a pitted appearance both on the surfaces and unstruck portions. This Denver struck Washington quarter has these characteristics and is the only known Denver Mint U.S. coin struck on a specially prepared planchet intended for proof strikes.There are a few known 1977 Denver Ike Dollars struck on 40% Silver-Clad planchets intended for striking the 1976-S San Francisco proofs, but these are not on specially prepared proof blanks.In my NLG Award winning book, World's Greatest Mint Errors , Chapter 23: Proof Planchet Errors (page 169), I describe and illustrate U.S. coins struck by circulation dies but on specially prepared proof planchets. This is an extremely rare mint error.The Byers CollectionNGC 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$1 MirrorBrockage on ObverseNGC MS 621904 $20 Double StruckRotated 180 Degrees in CollarNGC MS 62 CAC$150,000(1928) 25¢ Struck on a1¢ Planchet 3.02 GramsNGC MS 63 BNWorld's Greatest Mint ErrorsIn 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 Publisher and Editor of Mint Error NewsMagazine & 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 relate... read more

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