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 |
| Celestial Events |
| Issued: 21.05.2012 |
| ›Curacao |
| Europa 2009 'Astronomy' |
| Issued: 01.06.2009 |
| ›Gibraltar |
| Europa 2009 - Astronomy |
| Issued: 12.05.2009 |
| ›Luxembourg |
Science
| Women In Science - Maria Andresa Casamayor De La Coma |
| Issued: 29.06.2020 |
| ›Spain |
| Institute Of Speleology “Emil Racovita” A Century Of Research |
| Issued: 18.06.2020 |
| ›Romania |
| Medical And Industrial Tubing |
| Issued: 05.06.2020 |
| ›Aland Islands |
| 40th Anniv of Eradication of Smallpox |
| Issued: 08.05.2020 |
| ›United Nations |
| Microscopic Art |
| Issued: 07.05.2020 |
| ›Switzerland |
Technology
| 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 |
| Joint Issue France - Egypt - Suez Canal 150th Anniversary |
| Issued: 07.10.2019 |
| ›France |
| World Congress on Information Technology in Yerevan |
| Issued: 07.10.2019 |
| ›Armenia |