O) 1946 BELGIAN CONGO, ASKARI, FROM LEOPOLDVILLE, AIRMAIL, CIRCULATED TO USA
O) 1978 CENTRAL AFRICAN, WWF. WILDLIFE FUND, CROCODILE, LEOPARD, RHINOCEROS, FDC AND FDB
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, MAXIMUM CARD, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, MAXIMUM CARD, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, MAXIMUM CARD, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, MAXIMUM CARD, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, HISTORY, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, XF
O) 1983 CENTRAL AFRICAN, WORLD WILDLIFE FUND STAMP, WWF, BLACK RHINOCEROS, XF
O) 2014 CENTRAL AFRICAN, CHESS, VISWANATHAN ANAND, THE CHESS MASTERS OF BILBAO, MNH
O) 2016 CENTRAL AFRICAN, RUGBY, SPORT, MNH
O) 2016 CENTRAL AFRICAN, CHESS, GARRY KASPAROV AZERBAIYAN, FABIANO LUIGI CARUANA UNITED STATES, LEVON ARONIAN ARMENIA, JUDIT POLGAR HUNGARY, WORLD CHESS CHAMPIONS, MNH
O) 2016 CENTRAL AFRICAN, CHESS, MAGNUS CARLSEN NORWAY, BOBBY FISCHER UNITED STATES, BORIS SPASSKY RUSSIA, WORLD CHESS CHAMPIONS, MNH
O) 2016 CENTRAL AFRICAN, CHESS, VISWANATHAN ANAND, VLADIMIR KRAMNIK, GATA KAMSKY, MNH
O) 2019 CENTRAL AFRICAN, CHESS, ANATOLI KARPOV, RUSSIAN, WORLD CHAMPION, MNH
O) 2019 CENTRAL AFRICAN, CHESS, TIGRAN PETROSSIAN, MN
O) 2019 CENTRAL AFRICAN, CHESS, TIGRAN PETROSSIAN, MNH
O) 2019 CENTRAL AFRICAN, CHESS, VASSILI IVANTCHOUK, MNH
O) 2019 CENTRAL AFRICAN, CHESS, VLADIMIR KRAMNIK, SERGUEI KARIAKINE, GARRY KASPAROV, MAGNUS CARLSEN, MNH
O) 2019 CENTRAL AFRICAN, CHESS,VASSILI IVANTCHOUK, MNH
O) 2020 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, FIGHT AGAINST COVID, MEASURES AND PRECAUTIONS RECOMMENDED BY HEALTH ORGANISMS, MNH
O) 2020 CENTRAL AFRICAN, CHESS, VESELIN TOPALOV, VISWANATHAN ANAND, MAGNUS CARLSEN, MNH
O) 2020 CENTRAL AFRICAN, ODD SHAPE, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, FIGHT AGAINST THE GLOBAL PANDEMIC. MNH
O) 2021 CENTRAL AFRICA, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTIOUS DISEASES, FIGHT AGAINST COVID, VACCINE AGAINST THE DISEASE, WWF EMBLEM PANDA BEAR, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, WORLDWIDE VACCINATION, AUTHORIZED BY WHO, FIGHT AGAINST DISEASE, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, ODD SHAPE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, LADY GAGA, CATHERINE DUCHESS OF CAMBRIDGE, MEGHAN MARKLE AND PRINCE HARRY, CELEBRITIES IN SOCIAL LIFE, FIRST WUHAN OUTBREAK, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, INDIA FIGHTS THE VARIANT, FIRST WUHAN OUTBREAK, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, INDIA FIGHTS THE VARIANT, FIRST WUHAN OUTBREAK, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, SUPPORT GLOBAL IMMUNIZATION, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, PANDEMIC 2020, COVID 19, CORONAVIRUS, RESPIRATORY INFECTION DISEASE, FIGHT AGAINST COVID, SANITARY AND HEALTH MEASURES, MNH
O) 2021 CENTRAL AFRICAN REPUBLIC, MEDICINE, SARS COV-2 DELTA VARIANT, OMS, AVAILABLE MEANS OF DIAGNOSIS AND VACCINATION, MNH
RL) 1978 AFRICA, ANIMALS, RHINO, NATURE, WORLD WILDLIFE FUND, FDC ( II-2018)
SB) 2016 CENTRAL AFRICAN, WORLD CHAMPIONSHIP OF FOOTBALL RUSSIA 2018, CRISTIANO RONALDO, GARETH BALE, IGOR AKINFEEV, DIMITRI PAYET, FOOTBALL. MNH
SB) 2016 CENTRAL AFRICAN, WORLD CHAMPIONSHIP OF FOOTBALL RUSSIA 2018,ANTOINE GRIEZMANN, MNH