Austria

1966 Alpine Flora

1966 The 120th Anniversary of the Vienna Society for the Prevention of Cruelty to Animals

1966 The 150th Anniversary of the Austrian National Bank

1966 Lower Austrian Provincial Art Exhibition

1966 The 10th Anniversary of the Death of Josef Hoffmann

1966 The 200th Anniversary of the Vienna Prater

1966 The 50th Anniversary of the Death of Marie von Ebner-Eschenbach

1966 The 100th Anniversary of the Executive Board of the Postal and Telecommunications Administration

1966 Introduction of Postal Codes

1965 Day of the Stamp