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) 2020 CHAD, ART, MONUMENTS, SCULPTURES, HERITAGE, THE DAVID MICHAEL ANGEL, STATUE OF LIBERTY, MOUNT RUSHMORE, VAMPIRE OF STRYGE NOTRE DAME, MNH
O) 2020 CHAD, CHESS, GARRY KASPAROV, DEEP BLUE, IBM COMPUTER TO PLAY CHESS, FIRST TO BEAT GARRY KASPAROV, MNH
O) 2020 CHAD, CHESS, MAGNUS CARLSEN, ODD SHAPE, MNH
O) 2020 CHAD, MEDICINE, PANDEMIC, COVID 19, PROTOCOLS, FACE MASK, DISTANCE, QUARANTINE, HAND WASHING, INDICATIONS TO STOP THE DISEASE, TEST LABORATORY, MNH
O) 2021 CHAD, CHESS, GARRY KASPAROV, RUSTAM QOSIMJONOV, ALEKSANDR KHALIFMAN, MNH
O) 2021 CHAD, CHESS, MIKHAIL BOTVINNIK, KREMLIN MOSCOU, WORLD CHAMPIONSHIP, MNH
O) 2021 CHAD, CHESS, OLYMPICS, MIKHAIL TAL, MIKHAIL BOTVINNIK, BOBBY FISCHER, LEV POLUGAYEVSKI, MNH
O) 2021 CHAD, ODD SHAPE, MEDICINE, PANDEMIC, COVID 19. PRINCE CHARLES AND CAMILA DUCHESS OF CORNUALLES, RIHANNA, MILEY CYRUS, ELON LUSK, CECILY STRONG, QUEEN ELIZABETH II, JULIA ROBERTS, MNH
O) CHAD, PERSONALITIES OF NON-VIOLENCE, GANDHI, MARTIN LUTHER KING, XF
SB) 1984 CHAD, 1984 SUMMER OLYMPICS, KAYAK SCENE, SCT C275, SOUVENIR MNH
SD)1972, CHAD, THE ROYAL COURT, CHARACTERS FROM THE HISTORY OF FRANCE, LOUIS DE LA VALLIÈRE AND SONSÈ