Watch List notes:

Bank of Sudan, a blue leatherette presentation album commemorating 25 years of independence, containing specimens of the 1981 issue comprising 25 piastres, brown, 50 piastres, mauve, 1 pound, blue, 5 pounds, green, 10 pounds, teal, 20 pounds, green, and the 1981 20 pound commemorative issue, all with zero serial number, English and Arabic SPECIMEN overprints,(Pick 16-22, TBB B311-317), as issued, a superb item, very rare (7).

Estimate: £800 - £1,200