Real photo postcard of the Hauptplatz (Main Square) in Graz, Austria, showing the sweeping perspective from a corner building looking toward the famous Uhrturm (Clock Tower) on the Schlossberg hilltop in the background. A vintage open-top automobile is parked in the square foreground. Excellent inter-war street photography. Published by Gratl, Graz, No. 722. Posted September 1951 with two Austrian 70-Groschen stamps from the Costumes definitives series (green Wachau grape-picker woman and lilac alpine worker), cancelled Graz. Catalog number 71689. Addressed to Mary Eckert, Wien I, Maria Theresiastrasse 22.