The Postal Service Guide to U.S. Stamps 1990 Stamp Values 16th edition is a comprehensive reference book on stamps, featuring 328 pages of information. Published in 1990 in the United States, this guide provides detailed insights into various stamps and their values. Written in English, it serves as a valuable resource for collectors and enthusiasts looking to expand their knowledge about U.S. postage stamps. With the official stamp values provided by the Postal Service, this guide is a must-have for anyone interested in philately.
