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 |
| The Mayan Calendar |
| Issued: 21.12.2012 |
| ›Kyrgyzstan KP |
| Europa - Astronomy |
| Issued: 01.06.2009 |
| ›Gibraltar |
| Europa – Astronomy |
| Issued: 06.05.2009 |
| ›Romania |
Cryptocurrency
| Nikola Tesla Crypto Stamp |
| Issued: 20.12.2022 |
| ›Croatia |
| UN CRYPTO Stamps - Series II (3 Offices) |
| Issued: 18.11.2022 |
| ›United Nations |
| UN CRYPTO Stamps - Series II (New York) |
| Issued: 18.11.2022 |
| ›United Nations |
| UN CRYPTO Stamps - Series II (Geneva) |
| Issued: 18.11.2022 |
| ›United Nations |
| UN CRYPTO Stamps - Series II (Vienna) |
| Issued: 18.11.2022 |
| ›United Nations |
| Crypto Stamp 4.0 - Grab the Bull by the Horns! |
| Issued: 22.09.2022 |
| ›Austria |
Science
| The 50th Anniversary of the Apollo 17 - Eugene Andrew Cernan |
| Issued: 25.11.2022 |
| ›Slovakia |
| The Monaco Explorations Mission in the Indian Ocean |
| Issued: 24.11.2022 |
| ›Monaco |
| Slovene Female Scientists - Dr. Ana Mayer Kansky |
| Issued: 11.11.2022 |
| ›Slovenia |
| Women in Science |
| Issued: 02.11.2022 |
| ›New Zealand |
| Ross Dependency - Science On Ice |
| Issued: 02.11.2022 |
| ›New Zealand |
| Faroese Minerals 1 |
| Issued: 24.10.2022 |
| ›Faroe Islands |
Technology
| 100th Anniversary of Czech-Slovak Technical Standardization |
| Issued: 20.10.2022 |
| ›Slovakia |
| Research, Innovation, Technology |
| Issued: 01.10.2022 |
| ›Norway |
| ITU Plenipotentiary Conference |
| Issued: 26.09.2022 |
| ›Romania |
| Iskra ATA 11 Automatic Telephone |
| Issued: 23.09.2022 |
| ›Slovenia |
| Swiss Inventions - Barryvox |
| Issued: 08.09.2022 |
| ›Switzerland |
