World Standards Day - 4 piastre

Issued in 1972, this stamp commemorates efforts to promote industrial and agricultural development in Sudan. The design features a cogwheel, a wheat ear, industrial symbols, and a globe, representing the close relationship between manufacturing, agriculture, technology, and economic growth. The imagery reflects national development strategies aimed at modernizing production and improving living standards through balanced economic progress.

By issuing this commemorative stamp, the Democratic Republic of Sudan highlighted the importance of industry and agriculture as pillars of national development. The issue celebrated economic modernization and emphasized the role of technology, productive labor, and agricultural advancement in supporting long-term growth and prosperity.