The Ultimate US Error Coin Guide

Discover the Untold Secrets Behind America's Most Fascinating Coin Mistakes

From doubled dies to off-center strikes and everything in between, The Ultimate US Error Coin Guide is your authoritative companion to the thrilling world of minting mishaps and rare misstrikes. Whether you're a seasoned collector or just getting started, this handbook is packed with vivid images, expert authentication tips, and collector insights that bring every coin to life.

Learn how to spot valuable errors, avoid counterfeits, and build a collection that stands out in any showcase. Written by expert numismatist George Knox, this guide blends historical context with practical advice—making it as educational as it is exciting.

If you've ever wondered whether that strange-looking penny in your pocket might be worth a fortune—this is the book for you.