The Official Blackbook Price Guide to United States Paper Money 2013 is an indispensable, easy-to-use sourcebook for collectors. It covers every national bank note issued since 1861 and lists over 6,000 current national market prices. This guide has all the information you need to become a knowledgeable collector of paper money. This essential reference also features: •Up-to-date market review that traces current trends in collecting and investing •A special report on uncut sheets and mule notes •Hundreds of photos for easy identification