1961-12-18: Bicentenary of the Austrian Court of Auditors

1961-12-18: Buildings

1961-12-01: Stamp Day

1961-10-20: 150th Birth Anniversary of Franz Liszt

1961-10-09: 40 years of Burgenland

1961-09-18: World Bank Congress, Vienna

1961-09-15: State Companies

1961-09-01: Observatory Sonnblick, 75th anniversary

1961-06-12: Artists Society

1961-05-29: European Conference of Traffic Ministers

1961-05-29: European Conference of Traffic Ministers

1961-05-15: Stamp Exhibition LUPOSTA, Vienna

1961-05-08: Sacrifices for Freedom