Austria 1968 Karl Landsteiner Stamp June 14, 2024FarhanAustria, Countries and Territories, Famous Individuals, Special Collections and Events, Special Releases, stamp, Thematic CollectionsAdd comment Issue: Austrian 1968 Karl Landsteiner Stamp Type: Stamp Number of Stamps: 1 Stamps Denomination: 3.50 S Issue Date: 1968 Issued By: Australia Post