The Stamps of the World Simplified Catalogue lists commemoratives, definitives, air-mails, postage dues, official stamps and miniature sheets.
All stamps have the universally recognized and individual Stanley Gibbons (SG) catalogue number and are set out according to date of issue of the stamps, by country.
Extensive re-pricing of the following countries since the previous edition:
In addition, all new issues for all countries received since the previous edition are listed and priced.
The first Catalogue Supplement to this volume appeared in the September 2019 of Gibbons Stamp Monthly