Guide to Notable U.S. Error Coins 2026

As a respected numismatist and author of several bestselling books on American coinage, I'm thrilled to introduce you to the enthralling world of US error coins. Get ready for a numismatic journey that will transform your understanding of these unique rarities and sharpen your collecting strategy. Error coins are the mavericks of numismatics-singular imperfections that slipped past the US Mint's quality control, each telling a distinctive story of its creation. From the delicate details of doubled dies to the dramatic flaws of off-center strikes, these coins offer a window into the minting process and a chance to own a piece of history gone awry. In this guide, you'll develop the expertise of a seasoned error coin collector. You'll learn to spot subtle details that can turn an ordinary Lincoln cent into a prized rarity. We'll dive into the intricacies of planchet preparation, die production, and striking processes, equipping you to distinguish genuine errors from post-mint damage or alterations. Unlike many self-published guides that focus on well-known coins like the 1943 copper cent or 1955 doubled die Lincoln cent but often misrepresent their origins, this book provides accurate insights to ensure you're well-informed. How This Book Will Make You an Expert As we explore the world of US error coins, this guide will empower you to become a confident numismatist, adept at identifying, evaluating, and appreciating even the most subtle minting errors. You'll evolve from a curious collector into a knowledgeable expert. This book will provide you with the tools to differentiate valuable errors from common post-mint damage. You'll master the use of a loupe, learning tilt-examination techniques to detect die cracks and cuds that can significantly enhance a coin's value. You'll also become skilled in preserving error coins, understanding when to opt for professional slab encapsulation or raw storage. Additionally, you'll gain fluency in the grading standards specific to error coins, recognizing how their unique striking characteristics impact grade and value. By the end of this guide, you'll confidently navigate the terminology of die states, planchet preparation, and striking anomalies, approaching every coin-whether at a coin show or in your collection-with the expertise of a true error coin aficionado. Prepare to elevate your numismatic journey. The skills you gain here will not only enrich your collecting experience but may also lead you to uncover that rare treasure hiding in plain sight.