Nature Stamp Thematic on WOPA+
Nature
| 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 |
| Rare Birds 2020 |
| Issued: 10.03.2020 |
| ›Luxembourg |
| 2020 Kakariki - New Zealand Parakeets |
| Issued: 04.03.2020 |
| ›New Zealand |
| Dragonflies - II |
| Issued: 02.03.2020 |
| ›Liechtenstein |
| Environment in Greenland IV |
| Issued: 28.02.2020 |
| ›Greenland |
| Experience Nature - Farmland Birds |
| Issued: 24.02.2020 |
| ›Netherlands |
| Post & Go - Jersey Coastal Flowers |
| Issued: 12.02.2020 |
| ›Jersey |
| Native Daphne Moths |
| Issued: 05.02.2020 |
| ›New Zealand |
| Rose - Doar 24 (Definitive Stamp) |
| Issued: 04.02.2020 |
| ›Israel |
| 2020 Franking Labels - Wild Flowers |
| Issued: 03.02.2020 |
| ›Aland Islands |
| Anniversaries - Centenary of the Memorandum on Nature Conservation |
| Issued: 31.01.2020 |
| ›Slovenia |
| Lithuania Red Book, Birds |
| Issued: 31.01.2020 |
| ›Lithuania |
| Nature Wonders of the Republic of Croatia (Defintive) |
| Issued: 28.01.2020 |
| ›Croatia |
| Polar - Fauna |
| Issued: 28.01.2020 |
| ›Romania |
| Geometry in Nature - The Pentagonal Shape |
| Issued: 27.01.2020 |
| ›Belgium |
| Registered Port - Barnacle Goose |
| Issued: 27.01.2020 |
| ›Belgium |
| Definitives - Alderney Birds |
| Issued: 21.01.2020 |
| ›Alderney |