Nature Stamp Thematic on WOPA+
Nature
| Croatian Fauna |
| Issued: 15.03.2011 |
| ›Croatia |
| Caves of Romania |
| Issued: 17.02.2011 |
| ›Romania |
| Birch Leaf Stamp |
| Issued: 24.01.2011 |
| ›Finland |
| Environmental Protection |
| Issued: 16.12.2010 |
| ›Montenegro |
| Flora - Mushrooms |
| Issued: 01.11.2010 |
| ›Bosnia and Herzegovina - Mostar |
| Mineral & Rocks |
| Issued: 15.10.2010 |
| ›Croatia |
| International Day for Habitat Protection |
| Issued: 06.10.2010 |
| ›Bosnia and Herzegovina - Mostar |
| International Year of Biodiversity |
| Issued: 16.09.2010 |
| ›Iceland |
| Wealth of Latvian Forests - Raspberry |
| Issued: 10.09.2010 |
| ›Latvia |
| Volcanic Eruption in Eyjafjallajökull |
| Issued: 22.07.2010 |
| ›Iceland |
| Joint Issue Gibraltar - San Marino |
| Issued: 30.06.2010 |
| ›Gibraltar |
| Fauna of Hungary IV - Year of Biodiversity |
| Issued: 23.06.2010 |
| ›Hungary |
| Flora of Republic of Srpska |
| Issued: 17.06.2010 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| Protected fauna of the Danube River |
| Issued: 09.06.2010 |
| ›Romania |
| Myths and Flora - Linden in Slavic mythology |
| Issued: 22.05.2010 |
| ›Bosnia and Herzegovina - Mostar |
| Minerals – Crystal Clusters |
| Issued: 21.05.2010 |
| ›Romania |
| Archeological Treasure - Ravlica Cave |
| Issued: 12.05.2010 |
| ›Bosnia and Herzegovina - Mostar |
| Garden Parks II |
| Issued: 06.05.2010 |
| ›Iceland |
| Flora - Honey Plants |
| Issued: 18.03.2010 |
| ›Montenegro |
| Flora and Fauna of Armenia - Fritillaria Armena & Sambucus Tigranii |
| Issued: 02.02.2010 |
| ›Armenia |
| Flora and Fauna of Armenia - Caucasian Otter & Ursus Actos Syriacos |
| Issued: 16.12.2009 |
| ›Armenia |