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) 1979 MONGOLIA WWF, WORLD WILDLIFE FUND, LYNX CAT, FDC XF
O) 1979 MONGOLIA WWF, WORLD WILDLIFE FUND, MANULS CAT, FDC XF
O) 1979 MONGOLIA WWF, WORLD WILDLIFE FUND, SNOW LEOPARDS -CAT, UNCIA UNCIA, FDC AND FDB XF
O) 1997 MONGOLIA, SPECIMEN, GREENPEACE, PENGUIN IN SNOW, WATER, MOUNTAIN, LARGE GROUP OF PENGUINS, MNH