Depicts the national emblem of the Democratic Republic of the Sudan (1970–1985), denominations on both sides, dates in Gregorian and Islamic year in Arabic numerals below. Countermarks of B23 in hexagon and bell (if any) between dates.

The emblem shows a secretarybird bearing a shield from the time of Muhammad Ahmad, the self-proclaimed Mahdi who briefly ruled Sudan in the 19th century. Two scrolls are placed on the arms; the upper one displays the national motto, ("Victory is ours"), and the lower one displays the title of the state.

The secretarybird was chosen as a distinctively Sudanese and indigenous variant of the "Eagle of Saladin" and "Hawk of Quraish" seen in the emblems of some Arab states, and associated with Arab nationalism.

African map within a double circle surrounded by two olive branches ended by an abbreviation in French (OUA) on the left and English (OAU) on the right, the inscription "SUMMIT MEETING KHARTOUM" above and "Summit of Organization of African Unity, Khartum" below.