5 Pounds

By 1991, Sudan had been under Omar al-Bashir's rule for two years following the June 1989 coup, and the banking system was being restructured along Islamic lines — interest-bearing instruments were progressively abolished under pressure from Hassan al-Turabi's National Islamic Front. Notes from this transitional period reflect an institution caught between its older De La Rue–printed formats and the ideological demands being placed on it from above.

Thomas De La Rue had printed Sudanese currency since the 1950s. The relationship outlasted independence, multiple republics, and several currency reforms — which makes it one of the longer continuous printing contracts in African central banking.