Nature Stamp Thematic on WOPA+
Nature
| Cultural Heritage |
| Issued: 11.09.2020 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| PET Recycling |
| Issued: 07.09.2020 |
| ›Liechtenstein |
| Four Season |
| Issued: 04.09.2020 |
| ›Aland Islands |
| Chanterelle |
| Issued: 28.08.2020 |
| ›Austria |
| Estonian Mushrooms – The Panther Cap |
| Issued: 28.08.2020 |
| ›Estonia |
| Little Owls |
| Issued: 12.08.2020 |
| ›Romania |
| Our Natural Assets 2020 |
| Issued: 05.08.2020 |
| ›Hungary |
| 2020 Scenic Definitives |
| Issued: 05.08.2020 |
| ›New Zealand |
| Tree Leaves |
| Issued: 08.07.2020 |
| ›Andorra (Spain) |
| Panorama - Waters |
| Issued: 02.06.2020 |
| ›Liechtenstein |
| International Plant Protection Year |
| Issued: 29.05.2020 |
| ›Latvia |
| Minerals - Jet |
| Issued: 29.05.2020 |
| ›Spain |
| Nature Protection National Park Biogradska Gora |
| Issued: 27.05.2020 |
| ›Montenegro |
| Animal Families |
| Issued: 07.05.2020 |
| ›Switzerland |
| Enchanted Forest |
| Issued: 06.05.2020 |
| ›Finland |
| Endangered Species 2020 - Kodofan Giraffe |
| Issued: 02.05.2020 |
| ›Guernsey |
| Mammals - Orca |
| Issued: 17.04.2020 |
| ›Norway |
| International Year of Plant Health |
| Issued: 31.03.2020 |
| ›Switzerland |
| 100 Years Swiss Federation of Live-Stock Farming of the Hérens Breed |
| Issued: 31.03.2020 |
| ›Switzerland |
| Croatian Flora - Strictly Protected Species (C) |
| Issued: 20.03.2020 |
| ›Croatia |
| AR - Common Goldeneye |
| Issued: 16.03.2020 |
| ›Belgium |
| Flora 2020 |
| Issued: 13.03.2020 |
| ›Slovenia |
| The Birds from a Spring Poem |
| Issued: 11.03.2020 |
| ›Finland |
| 100 Years of Natur & Emwelt |
| Issued: 10.03.2020 |
| ›Luxembourg |