The Bank of Sudan's 1987 note issues came during a period of acute fiscal pressure — the country was carrying one of the heaviest debt burdens in sub-Saharan Africa, and the Central Bank was managing exchange controls that effectively created a parallel market rate several times the official one. The 50 Piastres, fractional by this point in real purchasing terms, was already marginal as a circulating denomination.
Pick 38 belongs to the transitional series before Sudan's currency reforms of the early 1990s accelerated the shift away from the pound system entirely.
The Bank of Sudan's 1987 note issues came during a period of acute fiscal pressure — the country was carrying one of the heaviest debt burdens in sub-Saharan Africa, and the Central Bank was managing exchange controls that effectively created a parallel market rate several times the official one. The 50 Piastres, fractional by this point in real purchasing terms, was already marginal as a circulating denomination.
Pick 38 belongs to the transitional series before Sudan's currency reforms of the early 1990s accelerated the shift away from the pound system entirely.