Siege of Khartoum currency was an emergency issue of paper money created by the British major-general Charles George Gordon, the governor-general of the Sudan, during the siege of Khartoum by Mahdist forces between 1884 and 1885. Denominated in piastres (and 50 Egyptian pounds), the first banknotes were dated 25 April 1884 and they were issued as late as November 1884. This set of ten banknotes, some of which were hand-signed by Gordon, is part of the National Numismatic Collection at the Smithsonian Institution.Banknote design credit: Charles George Gordon and the Khedivate of Egypt; scanned by Andrew Shiva