For collectors on the go, the Scott United States Pocket Stamp Catalogue offers the ease of lightweight portability combined with essential listing information and values for more than 5,000 postage stamps and selected back-of-the-book issues such as airmail stamps. Crisp, full-color illustrations and handy checklists on each page make it easy to keep track of what you have and what you need, whether you're at a show, perusing a dealer's website, or relaxing at your stamp desk at home.