2015 US/BNA Postage Stamp Catalog
Published since 1935, H.E. Harris's Postage Stamp Catalog contains current market prices for United States, U.S. Possessions and Trust Territories, Canada and Provinces, and all United Nations. It contains thousands of stamp illustrations to identify virtually every design and listing by Scott's numbering system. This book includes U.S. Commemorative index and stamp identifier, grading criteria, and much more.