| Description: | UPU Centenary set in pairs with purple overprint |
| Year: | 1974 |
| Sign: |  |
| Motive: | Airplane , Cars , People , Railway , UPU |
| Catalog nr.: | Mi 157-170 |
| Description: | Definitive: UPU Centenary set in corner blocks of 4 with overprint |
| Year: | 1975 |
| Sign: | |
| Motive: | Airplane , People , Railway , UPU |
| Catalog nr.: | Mi 355-357 |
| Description: | Austria was added to the United Nations |
| Year: | 1956 |
| Sign: | |
| Motive: | UNO |
| Catalog nr.: | Mi 1025 |
| Description: | 10th anniversary of the United Nations |
| Year: | 1955 |
| Sign: | |
| Motive: | Flag , UNO |
| Catalog nr.: | Mi 1022 |
| Description: | UNICEF |
| Year: | 1949 |
| Sign: | |
| Motive: | Children , International Organisations |
| Catalog nr.: | Mi 933 |
| Description: | 50th Conference of the Inter-Parliamentary Union set in margin blocks of 4 |
| Year: | 1961 |
| Sign: | |
| Motive: | Building |
| Catalog nr.: | Mi 1251-1252 |
| Description: | Year of the refugees set with overprint |
| Year: | 1962 |
| Sign: | |
| Motive: | Art , Children , Plants |
| Catalog nr.: | Mi 662-671 |
| Description: | UPU Centenary + the same block of 4 |
| Year: | 1975 |
| Sign: | |
| Motive: | UPU |
| Catalog nr.: | Mi 905 |
| Description: | Fight against malaria set in blocks of 4 |
| Year: | 1962 |
| Sign: | |
| Motive: | Health |
| Catalog nr.: | Mi 688-689 |
| Description: | Soviet lunar probe, Lunik 3. perforated + margin imperforated stamp |
| Year: | 1960 |
| Sign: |  |
| Motive: | Astronomy, Space |
| Catalog nr.: | Mi 1152 A + B |
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