The Official Blackbook Price Guide to United States Postage Stamps 2013, 35th Edition

<i>The Official Blackbook Price Guide to United States Postage Stamps 2013</i> is an indispensable, easy-to-use sourcebook for collectors. Filled with the most current values and the latest market reports, this guide has all the information you need to become a knowledgeable collector of stamps.<br> <br> Features include:<br> <br> * Listings by Scott number for every stamp ever issued<br> * Thousands of illustrations for easy identification<br> * An updated market review that traces current trends in collecting and investing<br> * Exclusive prices for first day cover, mint sheets, plate blocks, line pairs, and PNCs<br> * Extensive information on buying, selling, and grading stamps at auctions, online, and through the mail