Austria 1946 Hartenstein Castle Stamp June 10, 2024FarhanAustria, Commemorative Stamps, Countries and Territories, Famous Place, Historical Events and Personalities, Special Collections and Events, Special Releases, stampAdd comment Issue: Austrian 1946 Hartenstein Castle Stamp Type: Stamp Number of Stamps: 1 Stamps Denomination: 45 S Issue Date: 1946 Issued By: Australia Post