Published since 1935, the H.E. Harris US/BNA 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. Thousands of colorful stamp images throughout! Hardcover with Hidden Spiral. Information for every stamp collector from Novice to expert. Popular formats, full-color stamp identifier, and collector's guide. 400 + Pages Full Color.