Science Stamp Thematic on WOPA+
Science
| International Year of Light |
| Issued: 16.02.2015 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| Minerals & Rocks |
| Issued: 24.10.2014 |
| ›Croatia |
| International Year of Crystallography |
| Issued: 21.07.2014 |
| ›Portugal |
| 150th Anniv. of the Geophysical Institute of Coimbra |
| Issued: 30.05.2014 |
| ›Portugal |
| Andreas Vesalius - 500 Years |
| Issued: 21.04.2014 |
| ›Portugal |
| Famous people |
| Issued: 05.02.2014 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| Statistics Iceland 100th Ann |
| Issued: 16.01.2014 |
| ›Iceland |
| 100th Anniversary of Beniamin Markarian |
| Issued: 21.11.2013 |
| ›Armenia |
| Surtsey 50th Anniversary |
| Issued: 12.09.2013 |
| ›Iceland |
| Gems And Minerals |
| Issued: 05.01.2013 |
| ›Ghana |
| Steve Jobs - Commemorative Card |
| Issued: 28.11.2012 |
| ›Hungary |
| Masat 1- The First Hungarian Satellite |
| Issued: 13.04.2012 |
| ›Hungary |
| Green energy |
| Issued: 22.03.2012 |
| ›Iceland |
| World Science Forum |
| Issued: 15.11.2011 |
| ›Hungary |
| The International Year of Chemistry |
| Issued: 26.09.2011 |
| ›Romania |
| 150th Ann Croatian Academy of Sciences & Arts - HAZU |
| Issued: 29.04.2011 |
| ›Croatia |
| 50th Anniv. of Yuri Gagarin’s Flight to Space |
| Issued: 18.04.2011 |
| ›Armenia |
| First Man Travelled in Space 50 Years Ago |
| Issued: 14.04.2011 |
| ›Hungary |
| World Meteorological Day |
| Issued: 23.03.2011 |
| ›Bosnia and Herzegovina - Mostar |
| World Expo, Shanghai Gömböc |
| Issued: 23.06.2010 |
| ›Hungary |
| Europa - Astronomy |
| Issued: 01.07.2009 |
| ›Armenia |
| Europa - Astronomy |
| Issued: 04.05.2009 |
| ›Bosnia and Herzegovina - Mostar |
| Europa - Astronomy |
| Issued: 23.04.2009 |
| ›Bosnia and Herzegovina - Republic of Srpska |