O) 1989 SINGAPORE, SPORT ISSUE, INDOOR STADIUM, ORTH ENTRANCE, ITERIOR,...
O) 2008 ITALY, DISCHIA ISLAND, VIEW OF FORIO, LANDSCAPE, ARCHITECTURE,...
O) 2003 URUGUAY, PALACE OF THE GAUCHO AND THE CURRENCY, ARCHITECTURE,...
O) 1969 GREAT BRITAIN, CATHEDRALS, DURHAM, YORK MINSTER, ST. GILES,...
O) 1977 CHILE, GOVERNMENT JUNTA AND SOCIAL SERVICES OF ARMED FORCES, FDC XF
O) 2016 SIERRA LEONE, OLD CAR, SUPERSONIC PLANE, CONCORDE, PUBLIC...
O) 1963 MONACO, BRITISH FOOTBALL ASSOC, WEMBLEY STADIUM AND BRITISH FOOTBALL, OVERHEAD KICK, PRINCIPALITY OF MONACO, FDC XF
O) 1964 MONACO, FARMAN BIPLANE OVER MONACO, 1914 RALLY POST CARD, NIEUPORT MONOPLANE, RALLY AERIEN MONTE CARLO, XF
O) 1966 MONACO, PHASE PROOF, SUBMARINE RESEARCH STATION PRECONTINENT III, DIVERS ON OCEAN FLOOR, MNH
O) 1973 MONACO, GEORGE CAYLEY, AVIATION PIONEER, GOVERNABLE PARACHUTES, SAILPLANE, MNH
O) 1974 MONACO, PRINCE HONORATO GRIMALDI, HONORE II, COIN BY 1624, SC 927, MNH
O) 1976 MONACO, ROALD AMUNDSEN, NORTH POLE, SC 1041, FLIGHTS OVER NORTH POLE, MNH
O) 1986 MONACO, ASTRONOMY, HALLEY´S COMET, EDMUND HALLEY, OBSERVATORY, MNH
O) 1987 MONACO, ISAAC NEWTON, NEWTON´S THEORY OF GRAVITY, MNH
O) 1987 MONACO, ELECTRICAL TELEGRAPH, SAMUEL MORSE,MNH