Europe

1973 The 25th Anniversary of the Dornbirn Fair

1973 EUROPA Stamps

1973 The 25th Anniversary of the Primary Association of the Austrian Social Security Carrier

1973 The 100th Anniversary of the Birth of Otto Loewi

1973 Aviation Anniversary 1973

1973 The 100th Anniversary of the Birth of Dr. H.C. Theodor Körner

1973 Drug Abuse

1973 The 50th Anniversary of the Death of Alfons Petzold

1972 Full Automation of the Telephone Network

1972 Art Treasures in Austria – Vehicles