Revised and Updated Edition! The new and improved must-have standard reference book for United States paper money errors. A must for every currency collector Rarity guide for each note Prices in four conditions The universally-used Friedberg Numbering System� The standard method for describing U.S. currency Invaluable appendices with data found nowhere else Hundreds of photos 296 pages, 20+ with new info, and some in full color Convinient & handy 6x9 inch format Dr Frederick J Bart. ISBN: 0871842505. Pub Date: 8/31/2015. Edition: 4th. Binding: Paperback. Size: 6x9. Pages: 296. Case: 1 .