- Best selling price guide for stamps from the United States, United Nations, US Possessions, and British North America.
- Information for every stamp collector, novice to expert.
- All popular formats: singles, plate blocks, line pairs, booklet panes, first day covers, postal stationary and more.
- Illustrated Stamp Identifier: describes and pictures the identifying features that enable the collector to distinguish among common and rare look-alike stamps.
- Collector's Guide: explains and describes design varieties, production methods, collecting formats, quality and condition criteria and postal markings.
- 390 full-color, spiral bound pages.
- International Award Winning Harris Reference Catalog.
