Issued in 1981, this 6 Schilling stamp from Austria commemorates the 16th International Congress of Byzantine Studies held in Vienna. The striking design by A. Pilch features a richly detailed Byzantine icon-style depiction of the Holy Trinity, adorned with radiant halos and celestial motifs in gold, blue, and red. It exemplifies Austria’s reverence for Byzantine heritage and artistic tradition, blending religious iconography with meticulous printing craftsmanship. A notable issue for collectors interested in art history, theology, and international cultural congresses.