Yugoslavia postage stamp: postal codes c. 1971 designed by A. Milenković
Turkey postal tax stamp: flower c. 1957
Switzerland postage stamp: ink rollers c. 1957 designed by Ernest Witzig
Finland postage stamp: cooperation c. 1972 designed by P. Huovinen
Cuba postage stamp: zebra c. 1970 designed by F. Román Compañy
Hungary postage stamp: tennis stadium c. 1964
Bulgaria postage stamp: pioneer c. 1974 designed by M. Konstantinova
Vietnam postage stamp: Einstein c. 1979
Germany (DDR) postage stamp: tv tower c. 1977 designed by H. Detlefsen
Manchukuo postage stamp: orchid crest c. 1937 designed by H. Oya
Romania postage stamp: rooster c. 1962 designed by C. Ciuvetescu
Mexico postage stamp: perforation gauge c. 1976 designed by R. Davidson
Poland postage stamp: rhamphorhynchus c. 1965 designed by Andrzej Heidrich
Paraguay postage stamp: air mail c. 1929
Ryukyu Islands postage stamp: textile monkey c. 1967
Israel postage stamp: Welcome to Israel c. 1967 designed by Asher Kalderon
Ghana postage stamp: independence c. 1960
Netherlands postage stamp: Holland Festival c. 1972 designed by Dick Elffers
Hong Kong postage stamp: Dragon Boats c. 1975 designed by Tao Ho
United Nations postage stamp: dove c. 1980 designed by G. Sagi