Technology Stamp Thematic on WOPA+
Technology
| Lighthouses |
| Issued: 30.05.2014 |
| ›Croatia |
| 100th Anniv. of the Telephone Network of Yerevan |
| Issued: 10.11.2013 |
| ›Armenia |
| 150th Ann of Gas Supply System |
| Issued: 03.10.2013 |
| ›Croatia |
| Lighthouses |
| Issued: 26.09.2013 |
| ›Croatia |
| Modern architecture of Latvia |
| Issued: 15.02.2013 |
| ›Latvia |
| 150th Anniv. Riga Technical Univ. |
| Issued: 08.10.2012 |
| ›Latvia |
| Lighthouses |
| Issued: 31.05.2012 |
| ›Croatia |
| Technology |
| Issued: 11.07.2011 |
| ›Curacao |
| World Expo Shanghai |
| Issued: 23.04.2010 |
| ›Latvia |
| Centenary of Introduction of Inter-Regional Telephone Operations |
| Issued: 09.11.2007 |
| ›Montenegro |
| Lotte From Gadgetville |
| Issued: 04.01.2007 |
| ›Estonia |
| World Telecommunication Day |
| Issued: 17.05.2006 |
| ›Bosnia and Herzegovina - Mostar |
| Wheel of Buna |
| Issued: 09.09.2004 |
| ›Bosnia and Herzegovina - Mostar |
| Information Technology |
| Issued: 26.01.2004 |
| ›Romania |
| Millennium - The 20th Century (I) |
| Issued: 13.07.2001 |
| ›Romania |