Science Stamp Thematic on WOPA+
Science
| International Day of Women and Girls in Science |
| Issued: 04.03.2023 |
| ›San Marino |
| International Year of Artisanal Fisheries and Aquaculture |
| Issued: 30.01.2023 |
| ›Kyrgyzstan KEP |
| The 50th Anniversary of the Apollo 17 - Eugene Andrew Cernan |
| Issued: 25.11.2022 |
| ›Slovakia |
| Ross Dependency - Science On Ice |
| Issued: 02.11.2022 |
| ›New Zealand |
| Minerals and Rocks |
| Issued: 20.10.2022 |
| ›Croatia |
| Space |
| Issued: 10.10.2022 |
| ›Saint Vincent and the Grenadines |
| Academician and President of the Latvian Academy of Sciences (LAS) |
| Issued: 07.10.2022 |
| ›Latvia |
| The Importance of Vaccination |
| Issued: 07.10.2022 |
| ›Portugal |
| National Scientists |
| Issued: 28.09.2022 |
| ›Costa Rica |
| Science |
| Issued: 07.09.2022 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| Tick Borne Disease Research |
| Issued: 06.09.2022 |
| ›Aland Islands |
| International Year of Basic Sciences For Sustainable Development |
| Issued: 30.05.2022 |
| ›Portugal |
| 150 Years of Scientific Observations of the Earth |
| Issued: 27.05.2022 |
| ›Slovakia |
| Asteroid Day |
| Issued: 27.04.2022 |
| ›Luxembourg |
| 125 Years of Engineers and Scientists of Luxembourg |
| Issued: 18.03.2022 |
| ›Luxembourg |
| Apollo 15 - 50th Anniversary |
| Issued: 08.11.2021 |
| ›Saint Vincent and the Grenadines |
| 100 Years - Cantacuzino Institute |
| Issued: 05.11.2021 |
| ›Romania |
| 50th Anniv. of the Montenegrin Academy of Sciences and Arts |
| Issued: 12.10.2021 |
| ›Montenegro |
| Animals in Space |
| Issued: 01.10.2021 |
| ›Saint Vincent and the Grenadines |
| United Nations Decade Of Ocean Sciences For Sustainable Development |
| Issued: 26.08.2021 |
| ›Portugal |
| Thematic Set - Let’s bring back the hug |
| Issued: 04.08.2021 |
| ›Serbia |