Science Stamp Thematic on WOPA+
Science
| Post & Go Moon Landings |
| Issued: 04.09.2019 |
| ›Gibraltar |
| International Year of the Periodic Table |
| Issued: 24.07.2019 |
| ›Portugal |
| 50th Anniversary of the First Moon Landing |
| Issued: 20.07.2019 |
| ›Austria |
| Man on the Moon 50th Anniversary |
| Issued: 19.07.2019 |
| ›Jersey |
| 50 Years Since Man's First Step on the Moon |
| Issued: 11.07.2019 |
| ›Romania |
| Man Landed on the Moon 50 Years Ago |
| Issued: 08.07.2019 |
| ›Hungary |
| 50th Anniversary of the Moon Landings |
| Issued: 05.07.2019 |
| ›Monaco |
| Moon Landings 50th Anniversary |
| Issued: 05.07.2019 |
| ›Gibraltar |
| Tokelau Moon Landing 50 Years |
| Issued: 03.07.2019 |
| ›New Zealand |
| Niue Moon Landing 50 Years |
| Issued: 03.07.2019 |
| ›New Zealand |
| 50 Years from the first Moon Landing |
| Issued: 03.07.2019 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| 50th Anniversary of the First Moon Landing |
| Issued: 01.07.2019 |
| ›Spain |
| The Anatomy of the Millennial (Youth Philately) |
| Issued: 17.06.2019 |
| ›Belgium |
| 50 Years of First Moon Landing |
| Issued: 03.06.2019 |
| ›Liechtenstein |
| The 100th Anniversary of Einstein's Eclipse |
| Issued: 16.05.2019 |
| ›Portugal |
| Augustin Fresnel |
| Issued: 06.05.2019 |
| ›France |
| The International Labour Organisation |
| Issued: 03.05.2019 |
| ›Portugal |
| 50 Years Manned Moon Landing |
| Issued: 02.05.2019 |
| ›Switzerland |
| New Zealand Space Pioneers |
| Issued: 01.05.2019 |
| ›New Zealand |
| One Small Step |
| Issued: 29.04.2019 |
| ›Isle of Man |
| The Moon Landing 1969 |
| Issued: 29.04.2019 |
| ›Faroe Islands |
| The International Year of the Periodic Table of Chemical Elements |
| Issued: 12.04.2019 |
| ›Kyrgyzstan KEP |
| Kaplan Turbine - Viktor Kaplan |
| Issued: 30.03.2019 |
| ›Austria |
| Redefinition of SI Base Units |
| Issued: 22.03.2019 |
| ›Slovenia |