As access to information should be open to everyone, it came to a logical conclusion that information about joint stamp issues stamps should also be made available for all and for free. Starting 2022, the Joint Stamp Issues Catalogue becomes available with free access simply by opening the different links (catalogue covers) below. Have a nice exploration.
For more information about the catalogue and its recent development, read more.
Introduction
Volume 1 – V3.06
Introduction – Definitions –
Folders – Joint coins – 110 pages
Latest Update: 20221030
This 1,748-pages catalogue contains presently (October 2022) over 2,150 entries describing sets of joint/common stamp issues among which more than 1,490 are true joint stamp issues (Unique, Se-tenant, Twin, Concerted or Parallel according to the official definitions). More than 14,600 objects (stamps, souvenir sheets, miniature sheets, but also stationary, first day covers or folders) are described and illustrated with more than 8,000 pictures. Finally, more than 32,700 quotations are provided for these different items.
Joint Stamp Issues 
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