Issued by the Republic of Austria in 1979, this 4 Schilling blue commemorative stamp marks the United Nations Conference on Science and Technology for Development held in Vienna. Designed by W. Privitzer, the motif features a stylized flower composed of geometric patterns, symbolizing growth and global cooperation, with the UN globe emblem at its center. The issue highlights Austria’s role in promoting scientific collaboration to advance development across nations. A notable thematic piece for collectors interested in UN conferences, technology, and international cooperation.