On April 7, 2025, Portugal and India issued, as planned, a souvenir sheet each, commemorating the 50th anniversary of the re-establishment of their diplomatic relationship. The two common stamps feature the traditional costume from Viana do Castelo, Portugal, and the Kalbelia dance costumes, India (information first provided by Kenneth Sequeira, Singapore and Souvik Ghatak, India).
On April 10, 2025, Morocco issued a pair of stamps representing airports (Mectan – Cebu and Menara – Marrakech) and celebrating 50 years of relationship with the Philippines. So far, information from the Philippines is not available, although the stamps of this country have been announced, and taking in account the structure of the Moroccan issue, it could become a twin or concerted issue.
Med Achour Ali Ahmed (Algeria) provided complementary information about the Arab League 80th Anniversary stamps. The Egyptian issue is not a stamp in pane, but a souvenir sheet, size 120×85 mm, issued on March 22, 2025, at 7,000 samples only among which 700 were used to prepare first day covers. The denomination is 20 Egyptian Pounds. In the meantime, no information about an additional country participating to this issue became available.
Tolga Caglayankaya (The Netherlands) provided information about a new 150th UPU Anniversary country srtamp (T20241009). South Sudan issued two stamps and one souvenir sheet containing these two stamps, displaying the basic design. Apparently only 500 samples of the souvenir sheet were printed. The exact date of issue seems to be March 27, 2025.
Jaap Sarelse (The Netherlands) reported also about a stamp issued by Nigeria on October 10, 2024 but bearing the design of the October 9, 2022, World Post day issue. This stamp has of course been added to the T20221009 series.
As anticipated, the list of stamps issued at the occasion of the 150th anniversary of the Universal Postal Union and described in an earlier page was not complete. Very quickly after publication, several collectors provided additional information. Here I have to thank Ali Ahmed Med Achour (Algeria), Enzo Cafaro (Italy), and Tolga Caglayankaya (Netherlands) for some of these additional data.
This complementary list is divided using the same structure as the one provided earlier:
Countries of Type A (Twin [T1], same date, same design), additional countries: Cambodia – Guatemala – Kazakhstan (October 15) – Libya – Nigeria.
Also we have to report an additional product for Indonesia (souvenir sheet, illustration above). Already reported Ukrainian stamps available so far are provided in form of either isolated stamps or miniature sheets of 5 stamps made of a top part with the design and a label with the letter “U” which stands in place of the denomination. In these products, this letter “U” is located on the left side. It appears that in some FDCs, the label bears the letter “U” on the right side. FDCs with left-side positionned letter “U” do exist as well. Mint stamps or miniature sheets with “U” on the right side have not been seen so far. In fact, these Ukrainian products are from private production (personalized stamps), but approved by Ukrainian Post. Also, looking closer to the background of the illustrated part of each stamp, it appears that the miniature sheet shows 6 different designs background, which are different from the stamps in panes or used on FDCs.
New country of Type B (Concerted [C1], different dates, same design): Malta (October 31)
In this series it was also discovered that Mali stamps produced with denomination 200F and 1000F, do exist as miniature sheets of 6 and panes of 20 (French language), also as a postal card, but the 1000F value became also available in 5 additional languages in panes, in souvenir sheet of 6 different stamps, with two different formats ([2×3] and [3×2]), perforated or imperforated. This is obviously expensive material to fool collectors (even if reported as ‘official’, they will never reach postal offices) and as such, they will be reported in italic characters in the catalogue with the mention ‘not recommended to buy’. Just as an additional note, the denomination of 1000 Malian Francs (FCFA) is equivalent today to about € 1.50. Right now, as these stamps are still supposed to be available from the Malian post office (if true), one should not pay more than twice this amount. Otherwise, the terms of “official” or “proof” are just artificial and shortage/rarity is organized by the printer.
New countries of Type C (modified design – only logo [T2], [C2]): Botswana (September 29) – Iraq – Liechtenstein – Netherlands. The information about Liechtenstein and Netherlands stamps is still uncomplete. It seems that these stamps were produced last minute and they are not described with details in the official channel).
Regarding Botswana, the country issued on September 29, 2024 four different zebra stamps in panes and together in a miniature sheet with the four stamps. A fifth stamp became available as part of a souvenir sheet with the UPU logo in the margin. Only this souvenir sheet can be considered as being part of the joint issue.
New country of Type D (different design, but same date [P1]): Seychelles
New country of Type E (different design, different date [N]): Poland (1 stamp, October 30, 2024)
This is a first update, because it is quite clear that more stamps related to this anniversary will be released (or simply discovered), probably even during the year 2025.
Our friend Med Achour Ali Ahmed (Algeria) was the first to report about this unexpected joint issue: The 41st ordinary session of the Board of Directors of the Pan African Postal Union (PAPU), a specialized agency of the African Union responsible for the coordination and development of postal services in Africa, took place between August 24 and 30, 2023 in Arusha, the Tanzanian city. This meeting was followed by the festivities linked to the inauguration by President Samia Suluhu Hassan of the new PAPU headquarters called “PAPU Tower” on September 2, 2023. To mark the commissioning of this emblematic 17-story building, PAPU proposed the issue on this date of a common commemorative stamp “presenting the image of the PAPU tower, juxtaposed with an emblematic place, an artifact national or natural at the choice of each participating Member State”. The Tanzanian Post was the first showing the design of its stamps and souvenir sheets that were issued on September 2, 2023. At the same time we learned about the first stamps issued by other countries including so far Algeria, Egypt, Morocco, Nigeria, Senegal and Zimbabwe. As the PAPU involves 45 countries, there are high expectations that other African countries will join over the following weeks. So, at this stage, we just confirm that this issue has to be considered as a Twin issue under the entry code T20230902. Additional countries will be reported later in the catalogue and for the time being we are just providing illustrations from the first identified products.
Joint Stamp Issues 
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