Knowledge & Education Stamp Thematics on WOPA+
Books
| 15 Years Athens Voice |
| Issued: 06.12.2019 |
| ›Greece |
| Diario de Avisos - Newspaper |
| Issued: 05.02.2016 |
| ›Spain |
| Gibraltar Int. Literary Festival |
| Issued: 03.05.2013 |
| ›Gibraltar |
| Mil's adventures |
| Issued: 15.05.2012 |
| ›Luxembourg |
| 200th Anniversary of Charles Dickens |
| Issued: 08.05.2012 |
| ›Alderney |
| Note Book 2012 |
| Issued: 01.12.2011 |
| ›Portugal |
Education
| Centenary of Riga State Technical School |
| Issued: 10.01.2020 |
| ›Latvia |
| Estonia’s National University 100 |
| Issued: 19.11.2019 |
| ›Estonia |
| Pro Juventute – 30 Years Children’s Rights |
| Issued: 07.11.2019 |
| ›Switzerland |
| 350 Years of the University of Zagreb |
| Issued: 30.10.2019 |
| ›Croatia |
| Bicentenary of the ESCP Europe 1819-2019 |
| Issued: 14.10.2019 |
| ›France |
| 100 Years of Murska Sobota Grammar School |
| Issued: 27.09.2019 |
| ›Slovenia |