1973-12-18: Stamp Day


1973-11-27: Art















1973-10-24: Czechoslovak Airlines, 50th Anniversary










1973-10-15: 8th Congress of the World Federation of Trade Unions

1973-09-17: Birth Centenary of Max Švabinský (1873-1962)











1973-09-05: 50 Years of Czechoslovakian Hunting: Hunting Dogs






1973-09: Folk Architecture




1973-08-23: University of Olomouc, 400th Anniversary

1973-08-23: Flora Olomouc









1973-06-20: Coats of arms of the Czechoslovak cities



1973-05-09: 25th anniversary of the constitution on May 9



1973-05-09: Prague Castle




1973-05-01: Communications Anniversaries



1973-04-12: Space Research











1973-03-20: Czechoslovak Martyrs during World War II






1973-02-23: "Victorious February", 25th Anniversary


1973-02-22: Sports 1973



1973-01-25: Czechoslovak Graphic Art 1973



