Mammals Stamp Thematic on WOPA+
Mammals
| International Cat Show |
| Issued: 05.09.2026 |
| ›Monaco |
| Postcard Booklet - Donkeys, Endearing Long-eared Creatures |
| Issued: 01.09.2026 |
| ›Austria |
| Prehistoric Animals |
| Issued: 27.08.2026 |
| ›Romania |
| Pets |
| Issued: 20.08.2026 |
| ›Great Britain |
| Additional Value Stamp in Aid of the Amarngivat Shelter in Tasiilaq |
| Issued: 12.08.2026 |
| ›Greenland |
| White Baroque Donkey |
| Issued: 31.07.2026 |
| ›Austria |
| Eurasian Pygmy Owl |
| Issued: 03.07.2026 |
| ›Latvia |
| Bears - Rescued and Protected - Postcard Booklet |
| Issued: 01.07.2026 |
| ›Austria |
| Faroese Horse |
| Issued: 26.06.2026 |
| ›Faroe Islands |
| Nature Protection White Stork - Ciconia Ciconia |
| Issued: 10.06.2026 |
| ›Montenegro |
| The European Ground Squirrel - Spermophilus Citellus |
| Issued: 30.05.2026 |
| ›Austria |
| Magical Owls - Postcard Booklet |
| Issued: 04.05.2026 |
| ›Austria |
| Endangered Species - (Vienna) |
| Issued: 24.04.2026 |
| ›United Nations |
| The Lithuanian Red Book - The Brown Bear |
| Issued: 24.04.2026 |
| ›Lithuania |
| Curiosities Of Wildlife |
| Issued: 17.04.2026 |
| ›Romania |
| Birds Saba |
| Issued: 14.04.2026 |
| ›Netherlands |
| International Dog Show |
| Issued: 24.03.2026 |
| ›Monaco |
| Definitive Stamp - Pets Dog |
| Issued: 16.03.2026 |
| ›Serbia |
| Animal of the Year - European Hedgehog |
| Issued: 05.03.2026 |
| ›Switzerland |
| Greenlandic Dog Sleds - Final Part |
| Issued: 16.02.2026 |
| ›Greenland |
| Bonaire - Birds of the Island |
| Issued: 10.02.2026 |
| ›Caribbean Netherlands |