This Austrian stamp, issued in 1979 with a value of 2.50 Schilling, features the Festspiel- und Kongresshaus in Bregenz, a cultural landmark on the shores of Lake Constance. The detailed engraving shows the unique floating stage used for the Bregenz Festival, an internationally renowned performing arts event. The venue is depicted alongside its grandstand and surrounding architecture, reflecting its importance as both a cultural and conference center. Designed by O. Stefferl and engraved by W. Pfeiler, the stamp is rendered in rich violet tones, emphasizing architectural detail. A fine collectible for enthusiasts of European cultural heritage.