2024 Scott U.S. Specialized Stamp Catalog. The U.S. Specialized catalog is the most desirable catalog on the market. This stamp reference source features the listings and information you need to collect, track and analyze your collection for all U.S. postage and back-of-the-book stamps. With thousands of value changes in this volume alone, the Scott catalogs allow you to stay on the cutting edge of the stamp market.The comprehensive U.S. Specialized Catalog contains detailed information for the following stamp categories: U.S. Postage - Air Post - Plate Blocks - First Day Covers - Postal Stationery - Essays - Proofs - Computer Vended Postage - 19th Century Carriers & Locals - Booklets - Revenue Stamps - Telegraph Stamps - U.S. Confederate States - U.S. Possessions - Canal Zone - Danish West Indies - Guam - Hawaii - Cuba - Puerto Rico - Philippines - Ryukyu Islands. Publisher's Cover Price $149.99. Gently used volume at only $65 + $5 shipping.