Science & Technology Stamp Thematics on WOPA+
Astronomy
| Astronomy - Events |
| Issued: 08.04.2024 |
| ›Romania |
| 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
| Swiss Crypto Stamp CHLI CHF 8.50 + 90.50, Yellow |
| Issued: 04.06.2025 |
| ›Switzerland |
| Swiss Crypto Stamp CHLI CHF 8.50+20.50, Blue |
| Issued: 04.06.2025 |
| ›Switzerland |
| Swiss Crypto Stamp CHLI CHF 8.50+1.40, Green |
| Issued: 04.06.2025 |
| ›Switzerland |
| Swiss Crypto Stamp 5.0 CHF 8.50+1.40, Basic Edition |
| Issued: 09.12.2024 |
| ›Switzerland |
| Swiss Crypto Stamp 5.0 CHF 8.50+140.50, Silver Edition |
| Issued: 09.12.2024 |
| ›Switzerland |
| Swiss Crypto Stamp 5.0 CHF 8.50+40.50, Bronze Edition |
| Issued: 09.12.2024 |
| ›Switzerland |
Science
| Franking Labels - The Beginnings of the Quantum Mechanics |
| Issued: 09.06.2025 |
| ›Portugal |
| Soil - The Foundation of Life |
| Issued: 04.06.2025 |
| ›New Zealand |
| A World First Collection - Mann on the Moon |
| Issued: 28.05.2025 |
| ›Isle of Man |
| Anniversaries - The Academy of Medical Sciences |
| Issued: 16.05.2025 |
| ›Romania |
| Romanian Chemical Industry - Country Brand |
| Issued: 02.05.2025 |
| ›Romania |
Technology
| Serbia - USA - 100th anniversary of the birth of Douglas Engelbart |
| Issued: 02.07.2025 |
| ›Serbia |
| Franking Labels - The Beginnings of the Quantum Mechanics |
| Issued: 09.06.2025 |
| ›Portugal |
| AICEP - 35 Years of Coming Together |
| Issued: 22.05.2025 |
| ›Portugal |
| Technical Monuments - The Bratislava Propeller Ferry |
| Issued: 11.04.2025 |
| ›Slovakia |
| First Slovene Inventors with Patents |
| Issued: 28.03.2025 |
| ›Slovenia |