London: Stanley Gibbons, 2020.
Stanley Gibbons Ltd., publisher.
“6 volumes: 29 cm.
1116 p.,
Language: English.
This popular catalog is a straightforward listing of the stamps that have been issued throughout the world since 1840.
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) catalog number and are set out according to the date of issue of the stamps, by country.