O) 1995 KIRIBATI, END OF WORLD WAR II, REVERSE OF WAR MEDAL 1939 - 1945,...
O) 1973 GERMANY, NICOLAUS COPERNICUS, HELIOCCENTRIC MODEL, EXHIBITION IN...
O) 1902 PERU, MANCO CAPAC, FOUNDER OF ICA DYNASTY, TOSS AND DATE...
O) 1916 AUSTRIA, AUSTRIAN CROWN 10h, POSTAL STATIONERY UNUSED
O) 1995 ALDERNEY, RETURN OF THE ISLANDERS 1945, STEAMBOAT, MNH
O) 1995 GRENADA AND GRENADINES, SECOND WORLD WAR, - PEACE IN THE...
O) 2016 GUINEA BISSAU, CHESS, HUMPY KONERU, EESHA KARAVADE, HARIKA DRONAVALLI, MARY ANN GOMES, INDIAN WOMEN WORLD CHESS CHAMPIONS, MNH
O) 2016 GUINEA, MADAME TCHANG, CHIANG KAI,FRANKLIN D. ROOSEVELT, WINSTON CHURCHILL, PHILATAIPEI,ODD SHAPED,MNH
O) 2016 GUINEA, TCHANG KAI -CHIANG -PRESIDENT OF THE PEOPLE'S REPUBLIC, WORLD STAMP CHAMPIONSHIP EXHIBITION, ODD SHAPED
O) 2019 GUINEA, CHESS, MAGNUS KARLSEN, MAXIME VACHIER, ANISH GIRI, DING LIREN, MNH
O) 2020 GUINEA, MEDICINE, PANDEMIC, COVID 19, HYGIENE AND DISINFECTION TO FIGHT AGAINST DISEASE, MHH
O) 2021 GUINEA, MEDICINE, IMPACT ON SPORT, PANDEMIC, COVID 19, CORONAVIRUS, CHESS MOSCOW 2020, WIMBLEDON TOURNAMENT 2020, ARTIQUE WINTER GAMES 2020, AFRICAN NATIONS FOOTBALL CHAMPIONSHIP, REPORT ON RAISON, MNH
SB) 2002 GUINEA, ORCHIDS, EULOPHIA, RHYCHOLAELIA, PHALAENOPSIS, OPHRYS, MH
SB) 2007 GUINEA, INSECT - BUTTEFLIES, DAMIS, AGLIA, FROG, RIDIBUNDA, SAHARICA, MNH
SB) 2007 GUINEA, INSECTS, BEES AND BUTTERFLIES, MELLIFERA, ACHERONTIA, FABRICIANA, POLYOMMATUS, POLLINATION, FLOWERS, MNH
SB) 2007 GUINEA, NORTHERN ANIMALS AND THE INTERNATIONAL POLAR YEAR, ARNOLD SCHWARZENEGGER, STERNA PARADISAEA BIRD, MNH