Series List (Theme: Mammals, Gum: Unknown)

100 years Progress in the Post and Telecommunications (1)50th Anniversary of the Red List (2014) (2)80th Anniversary of the First Movie 'King Kong' (7)African Fauna (2021) (3)African Fauna (2022) (5)African Fauna 2013 (7)African Fauna 2017 (5)African Mammals (2023) (5)African National Parks (2020) (12)African Savanna Elephant (2024) (2)African Trains (2022.1) (1)African Trains (2022) (2)African Wildlife (2023) (7)Albrecht Dürer (2021) (1)Animals in the Bible (6)Apes 2011 (7)Apes 2014 (7)Apes 2016 (7)Bats (2021) (1)Bats (2022.1) (6)Bats (2023.1) (7)Bats (2023) (9)Bats (2024.1) (2)Bats (2024) (1)Bats 2011 (7)Bats 2012 (7)Bats 2014 (7)Bats 2017 (7)Bats 2018 (7)Bats 2019 (2)Battle of Gettysburg (2023) (4)Belka and Strelka (2020) (14)Bicentenary of the independence of the United States (3)Big Cats (2021.1) (6)Big Cats (2021) (1)Big Cats (2022.1) (6)Big Cats (2023) (7)Birds of Central Africa (2000) (3)Boeuf Bokolodje (2022) (8)Buffaloes 2016 (7)Cats (2020:1) (6)Cats (2020:2) (16)Cats (2021:1) (2)Cats (2021:2) (6)Cats (2021.3) (14)Cats (2022.1) (6)Cats (2022.2) (6)Cats (2022.3) (7)Cats (2023.1) (5)Cats (2023.2) (7)Cats (2023) (10)Cats (2024) (3)Cats 1998 (2)Cats 1999 (4)Cats 2001 (8)Cats 2012 (7)Cats 2013 (7)Cats 2014 (7)Cats 2014:1 (7)Cats 2015 (9)Cats 2016 (7)Cats 2017 (7)Cats 2018 (2)Cats 2019 (7)Cats of Prey 2011 (14)Cats of Prey 2013 (7)Cats of Prey 2016 (2)Cats of Prey 2017 (7)Cats of Prey 2018 (2)Cats of Prey 2019 (7)Cattle 1965 (6)Central African Farmers Union (6)Chimpanzees (2022) (6)Chimpanzees (2023) (7)Chimpanzees (2024) (2)China EXPO (2017) (2)Chinese Art (2023) (2)Chinese New Year (2019) (14)Chinese New Year (2020.1) (5)Chinese New Year (2020) (6)Chinese New Year (2021) (2)Chinese New Year 2014 - Year of the Horse (5)Chinese New Year 2015 - Year of the Goat (7)Chinese New Year 2016 - Year of the Monkey (2)Chinese New Year 2018 - Year of the Dog (7)Chinese New Year 2019 - Year of the Pig (2018) (4)Chinese New Year 2020 - Year of the Rat (2019) (2)Chinese New Year 2022 - Year of the Tiger (2021) (6)Chinese zodiac (1)Chinese zodiac 1998 (10)Chinese zodiac 2018 (9)Chinese zodiac 2018 - Year of the Dog (3)Chinese Zodiac Sign (2020) (1)Climate Change 2017 (2)Clocks (2)Deforestation (2023) (3)Desert Animals 2015 (6)Dinosaurs - 2017 (6)Dog Almaz (2023) (6)Dog Breeds (2020) (2)Dogs (2021.1) (6)Dogs (2021.2) (14)Dogs (2021) (2)Dogs (2022.1) (7)Dogs (2023.1) (7)Dogs (2023.2) (8)Dogs (2023) (10)Dogs (2024) (3)Dogs 1998 (12)Dogs 1999 (12)Dogs 2001 (8)Dogs 2011 (7)Dogs 2012 (7)Dogs 2013 (9)Dogs 2014 (7)Dogs 2015 (4)Dogs 2016 (7)Dogs 2017 (7)Dogs 2018 (11)Dogs 2019 (5)Dogs and Cats (21)Dolphins (2023.1) (4)Dolphins 2011 (7)Dolphins 2014 (2)Dolphins 2015 (6)Dolphins 2016 (14)Dolphins 2017 (4)Dolphins 2018 (2)Dolphins 2019 (2)Dolphins and Seabirds (5)Dugongs (2013) (2)Dugongs (2018) (7)Dugongs 2019 (2)Economic Campaign (1)Elephants (2020) (16)Elephants (2021) (6)Elephants (2023.1) (7)Elephants (2023.2) (7)Elephants (2023) (6)Elephants (2024) (2)Elephants 2011 (7)Elephants 2013 (7)Elephants 2014 (2)Elephants 2015 (2)Elephants 2016 (7)Elephants 2017 (7)Elephants 2018 (2)Endangered Fauna (1983) (3)Endangered Mammals (2023) (12)Endangered Species (2020) (4)Endangered Species (2022) (4)Endangered Species (2023) (7)Endangered Species 2013 (7)Endangered Species 2015 (2)Endangered Species 2016 (2)Endangered Species 2017 (1)Endangered Species 2018 (4)Endangered Species 2019 (2)Extinct Animals 2014 (4)Extinct Animals 2016 (2)Extinct Animals 2017 (2)Extinct Animals 2019 (2)Extinct Mammals (2020) (14)Extinct Mammals (2022) (6)Extinct Mammals (2023.1) (7)Extinct Mammals (2023) (4)Extinct Species (2018) (1)Extinct Species (2021) (6)Famous People (1982) (1)Fastest Species in the World 2014 (2)Fauna and Flora in Central Africa (2024) (6)Fauna protection (3)Fight Dogs (2014) (7)Flora and Fauna (1966) (3)Flora and Fauna (1971) (8)Flora and Fauna (1975) (4)Flora and Fauna (1982) (18)Flora and Fauna (1986) (11)Flora and Fauna (1997) (4)Francisco de Goya (2023) (2)Georges Morland (2023) (7)Giant Anteater Postage Due Stamps (1985) (3)Giraffes (2020) (16)Giraffes (2022) (5)Giraffes (2023) (5)Giraffes (2024) (2)Giraffes 2016 (7)Global Warming (6)Global Warming 2014 (2)Gorillas (2022) (5)Gorillas (2023) (10)Gorillas (2024) (3)Hippopotamuses (2023) (8)Hippopotamuses (2024.1) (2)Hippopotamuses (2024) (2)Hippopotamuses 2014 (7)Hippopotamuses 2019 (3)Horse Breeds (19)Horses (2021) (5)Horses (2022) (7)Horses (2023) (6)Horses 1999 (4)Horses 2011 (7)Horses 2013 (6)Horses 2019 (7)Icebreakers (2023.1) (4)Indian Trains (2021) (1)Indian Trains (2023) (1)Insect Eaters (2021) (5)International Biodiversity Day (2023) (7)International Stamp Exhibition HONG KONG 2015 (2)International Stamp Exhibition INDONESIA '12, Jakarta (5)International Stamp Exhibition TAIPEI 2015 (5)International year of the youth (5)Japanese Exploration of Antarctica (1)John Hanning Speke 2014 (1)Koalas 2012 (7)Leopard (2022) (6)Leopard (2023) (7)Leopard (2024) (2)Leopards (2024.1) (2)Lighthouses and Dolphins (2023) (1)Lions (2014) (7)Lions (2016) (7)Lions (2017) (2)Lions (2018) (2)Lions (2020) (16)Lions (2021) (5)Lions (2023) (6)Lions (2024.1) (2)Lions (2024) (2)Mammoths (2022) (6)Monkeypox (2022) (2)Monkeys (2021.1) (6)Monkeys (2021) (1)Monkeys (2023) (7)Monkeys 2013 (2)Monkeys 2016 (2)Monkeys 2017 (2)Monkeys 2018 (2)Nature protection (6)Nipah Virus (2023) (5)Nobel Price 1977 (1)Nude Paintings (2022.1) (1)Opération Bokassa (5)Opération Bokassa (1968) (1)Overprinted "EMPIRE CENTRAFRICAIN" in Red on Silver Panel (2)Overprinted “EMPIRE CENTRAFRICAIN” in Black on Silver Panel (3)Overprinted with Bars and “EMPIRE CENTRAFRICAIN” (4)Paintings by Raffaello Sanzio (3)Pandas (2021) (6)Pandas (2022) (6)Pandas (2023) (7)Pandas 2014 (7)Pandas 2016 (2)Pandas 2017 (4)Pandas 2018 (2)Pandas 2019 (7)Patas Monkey (2024) (2)Polar Bears (2023) (8)Polars Bears 2013 (2)Polars Bears 2014 (6)Polars Bears 2016 (2)Polars Bears 2017 (7)Polars Bears 2018 (7)Predators (2022) (3)Prehistoric Humans (2023.2) (1)Prehistoric Man (2013) (1)Prehistoric Water Animals 2016 (2)Primates (2022.1) (6)Primates (2023) (9)Race Horses (2)Red List (2024) (2)Rhinoceroses (2022.1) (6)Rhinoceroses (2022) (6)Rhinoceroses (2023) (7)Rhinoceroses 2011 (7)Rhinoceroses 2014 (5)Rhinoceroses 2016 (7)Savannah Cat (2021.1) (5)Savannah Cat (2021) (2)Savannah Cat (2022) (6)Savannah Cat (2023) (9)Scouting 1997 (9)Scouting 1999 (3)Scouts (2023.2) (7)Sea Lions 2013 (7)Senegal Bushbaby (2024) (2)Serval (2023) (7)Side Striped Jackal (2024) (2)Sled Dogs (2016) (7)Sled Dogs (2017) (7)Sled dogs (2018) (6)Sled Dogs (2019) (14)Sled Dogs (2021) (7)Sled Dogs (2022) (7)Sled Dogs (2023.1) (5)Sled Dogs (2023) (7)Snow Leopard (2023) (7)Space Exploration 1997 (1)Spotted Hyena (2024) (2)Stamps on Stamps (1)Stamps on Stamps (2020) (19)Stamps on Stamps (2022) (2)Stamps on Stamps (2023) (2)Summer Olympic Games 1984 - Los Angeles (4)Summer Olympic Games 1988 - Seoul - Gold Medalists (1)Summer Olympic Games 1996 - Atlanta (1996:2) (2)Summer Olympic Games 2000 - Sydney (2)Summer Olympic Games 2004 - Athens (1)Summer Olympic Games 2012 - London (2)The Big Five of Africa (2022) (6)The Golden Monkey (2023) (1)The Pan African Postal Union (2023) (5)The World Wide Fund for Nature (2020) (7)Tigers (2014) (7)Tigers (2015) (7)Tigers (2016) (2)Tigers (2018) (7)Tigers (2021) (6)Tigers (2022) (6)Tigers (2023) (5)Towards the Lunar Year of the Horse (2013) (6)Treasures from the grave of the Egyptian King Tutankhamun (1)Ukrainian Trains (2023) (1)US Pres. Bill Clinton and His Cat, “Socks” (10)Whales (2021) (2)Whales (2022.1) (4)Whales 2011 (7)Whales 2013 (7)Whales 2014 (7)Whales 2014:1 (2)Whales 2015 (2)Whales 2017 (7)Whales 2018 (2)Whales 2019 (2)Wild animals 2019 (5)Wild Cats (2023) (8)Wild Dogs (2023) (7)Wild Dogs 2014 (7)Wild Dogs 2016 (2)Wildlife (2001) (12)Wildlife and Culture in Africa (2019) (5)World Wildlife on Stamps (2024) (2)World Wildlife on Stamps (2025) (4)WWF - Central Chimpanzee (2012) (10)WWF - Endangered Animals [1978] (6)WWF - Endangered Fauna (1983) (8)WWF - Endangered Fauna (2011) (2)WWF - Overprint in Blue Foil (2019) (5)WWF - Overprint in Red Foil (2019) (5)WWF - Western Lowland Gorilla (2015) (7)WWF (2007) (8)WWF for a Living Planet (2024) (4)WWF, 60th Anniversary (2021) (32)Unknown (2)