No other guide contains as much information for the error coin collector. This guide is unsurpassed in the number of error coins listed. Presented in this guide: - A detailed description of mint error classifications with photographs. - A comprehensive listing of over 2,000 US error coins of all types as encapsulated by PCGS, ANACS, and NGC and sold at major auctions. - Modern-day photographs of error coins - Included are doubled dies, off-center, planchet, striking errors, incorrect planchets, wrong metal, split planchets, mules, and more.