Science & Technology Stamp Thematics on WOPA+
Astronomy
| Visions of the Universe |
| Issued: 11.02.2020 |
| ›Great Britain |
| 50th Anniversary Man On The Moon |
| Issued: 20.07.2019 |
| ›Malta |
| Total Solar Eclipse 2015 |
| Issued: 11.03.2015 |
| ›Faroe Islands |
| Europa 2009 'Astronomy' |
| Issued: 01.06.2009 |
| ›Gibraltar |
| Europa 2009 - Astronomy |
| Issued: 12.05.2009 |
| ›Luxembourg |
| Europa 2009 |
| Issued: 09.05.2009 |
| ›Malta |
Science
| 100th Anniversary of E.Gudriniece |
| Issued: 18.09.2020 |
| ›Latvia |
| Research, Innovation and Technology |
| Issued: 17.09.2020 |
| ›Norway |
| PET Recycling |
| Issued: 07.09.2020 |
| ›Liechtenstein |
| COVID-19 (New York) |
| Issued: 11.08.2020 |
| ›United Nations |
| COVID-19 (Geneva) |
| Issued: 11.08.2020 |
| ›United Nations |
| COVID-19 (Vienna) |
| Issued: 11.08.2020 |
| ›United Nations |
Technology
| Research, Innovation and Technology |
| Issued: 17.09.2020 |
| ›Norway |
| Stamp Day – Croatian Post Crypto Stamp |
| Issued: 09.09.2020 |
| ›Croatia |
| 150 Years Since the First Submarine Cable in Portugal |
| Issued: 27.08.2020 |
| ›Portugal |
| Medical And Industrial Tubing |
| Issued: 05.06.2020 |
| ›Aland Islands |
| SHOM - Tercentenary of French Hydrography |
| Issued: 25.05.2020 |
| ›France |
| Centenary of Riga State Technical School |
| Issued: 10.01.2020 |
| ›Latvia |