100 Pounds

By 1991, Sudan's economy was under severe strain — inflation was accelerating, and the government would introduce a new pound the following year in a redenomination that made most of this series obsolete almost immediately after issue. The 100 Pounds was the highest denomination in the P#49 run, which meant it bore the brunt of rapid devaluation; purchasing power collapsed so quickly that the note effectively became a low-value instrument within months of release.

Thomas De La Rue retained the contract despite the political turbulence of Bashir's early government, which had come to power via coup in 1989. The watermark is the sole security feature — no security thread, no UV elements — a relatively sparse specification for a top denomination at that date.