On December 19, 2025, Morocco has issued two stamps completing earlier joint issues with identical stamps to the series of the 80th Arab League anniversary [T20250322] already involving 6 countries, and to the joint Arab Postal Union stamps [T20250803], involving now in total 9 countries. Both these series are probably not yet complete and we may expect additional countries to be added with stamps probably to be issued during the year 2026. Both Moroccan stamps became available in miniature sheets of 10 stamps [2×5] printed at 10,000 sheets each (Source: Eric Contesse, France).
Also, among older issues, the design of the stamp of Libya from the World Post day series from October 9, 2022 [B20221009] became available, but there is no proof yet that this stamp really exists. It is reported in the Michel catalogue, but no one has seen this stamp. Can some one help here?
The Laos-Russia From October 15, 2025 issue showing lynxes needs to be corrected. On a recently released mixed FDC, it appears that the Laos stamps are cancelled from October 7, 2025 and not October 15, 2025, on the contrary to the Russian stamp. The issue reported so far as [T20251015] needs to be modified in [C20251007].
There are two postal entities active in Andorra, Spanish Andorra and French Andorra, that provide stamps for this small entity created back to 788. Since the year 1278, this enclave is under the control of Spain, through the catalan Bishop of Urgell, and France, via, originally, the Count of Foix, later the French King, now the French President, which are both co-princes of Andorra. By 2026, an agreement has been reached with La Poste (France) and the Spanish postal service (Correos) for greater coordination on the themes and dates of issue for stamps from both postal entities, Spanish Andorra and French Andorra, strengthening collaboration between the two postal administrations. Among the most noteworthy initiatives is a special issue involving Correos (Spain), La Poste (France), and the Principality of Andorra, with two complementary issues reflecting their shared identity and cultural heritage. More to come, but probably this may translate in more joint issues between Spanish Andorra and French Andorra starting in 2026 (Information provided by Kenneth Sequeira, Dubai).
It looks that we almost missed a joint issue, but it appeared eventually that it was based on a wrong message printed in the margin of a souvenir sheet. Liechtenstein issued on June 2, 2025 a souvenir sheet including three stamps and entitled “Gemeinschaftsblock Liechtenstein – Österreich” which means “Joint stamp block Liechstenstein – Austria”. However, in this context this text is not meaning that this souvcenir sheet is part of a joint issue between the two countries, but simply that Liechtenstein honors the relationship through philately with Austria with this souvenir sheet that was released during the philatelic exhibition Överbria’25 in Hihenems, Austria. Obviously, it was not expected that Austria would issue a counter part for this item. So, this is not a unilateral joint issue, not even a joint issue at all, despite the wording used on the souvenir sheet. Liechtenstein is used to release similar souvenir sheets containing three stamps dedicated to the locality or even country in which philatelic events are taking place.
The Cyprus – Vietnam issue announced earlier with a first day cancellation on the Cyprus stamps from December 1, 2025, appears to be a personal stamp issue and there will be no Vietnamese counterpart. This issue is therefore removed from the catalogue.
Ali Allawati (Oman) pointed a couple of errors in previous editions of the catalogue: Regarding The Oman Singapore joint issue [T20250221], there was an error in the souvenir sheet’s image with the denomination error “Rail” instead of “Rial”. The stamp with the mistake was of course never issued and the picture came from an advertisement document. Also, the “Muscat Street” is illustrating these stamps is a street located in Singapore and not in Oman. Both mistakes were corrected. Thanks Ali.
Information about the Uruguay, part of the Uruguay – Romania stamps became available (thanks to Jaap Sarelse, the Netherlands). Uruguay stamps were released on December 5, 2025 (same date as Romania) and stamps are similar to the Romanian stamps (although with some additional flowers), confirming Twin status. Some illustrations are provided below.
Eventually, the catalogue of joint issue was updated, and a new version 2026 for all volumes, also including a new volume 17 for stamps issued since January 1, 2026, was created. All new volumes are available from the Catalogue page.
Joint Stamp Issues 
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