Nature Stamp Thematic on WOPA+
Nature
| Military Working Dogs |
| Issued: 21.12.2020 |
| ›Antigua and Barbuda |
| Sea Otter |
| Issued: 21.12.2020 |
| ›Antigua and Barbuda |
| United Nations Act Now Climate Action Campaign |
| Issued: 15.12.2020 |
| ›Kyrgyzstan KEP |
| Moselle |
| Issued: 08.12.2020 |
| ›Luxembourg |
| 125 Years of the Natural History Museum in Belgrade |
| Issued: 03.11.2020 |
| ›Serbia |
| Minerals & Rocks |
| Issued: 22.10.2020 |
| ›Croatia |
| Corals |
| Issued: 08.10.2020 |
| ›Saint Vincent and the Grenadines |
| Rabbits |
| Issued: 08.10.2020 |
| ›Saint Vincent and the Grenadines |
| Lobsters |
| Issued: 08.10.2020 |
| ›Saint Vincent and the Grenadines |
| Cultural Heritage |
| Issued: 11.09.2020 |
| ›Bosnia and Herzegovina - Republic of Srpska |
| Estonian Mushrooms – The Panther Cap |
| Issued: 28.08.2020 |
| ›Estonia |
| Little Owls |
| Issued: 12.08.2020 |
| ›Romania |
| Our Natural Assets |
| Issued: 05.08.2020 |
| ›Hungary |
| Prevention of Natural Disaster |
| Issued: 06.06.2020 |
| ›Costa Rica |
| Caribbean Reef Shark |
| Issued: 03.06.2020 |
| ›Antigua and Barbuda |
| International Plant Protection Year |
| Issued: 29.05.2020 |
| ›Latvia |
| Butterflies |
| Issued: 29.05.2020 |
| ›Aruba |
| Nature Protection National Park Biogradska Gora |
| Issued: 27.05.2020 |
| ›Montenegro |
| Mallard Duck |
| Issued: 20.05.2020 |
| ›Antigua and Barbuda |
| Spotted Cleaner Shrimp |
| Issued: 20.05.2020 |
| ›Antigua and Barbuda |
| Endangered Species - Kodofan Giraffe |
| Issued: 02.05.2020 |
| ›Guernsey |
| International Year of Plant Health |
| Issued: 22.04.2020 |
| ›Serbia |
| Croatian Flora - Strictly Protected Species (C) |
| Issued: 20.03.2020 |
| ›Croatia |