Sudan Currency Board, Specimen 50 piastres, 5th September 1956, serial number AA000000, green, two Elephants at left, (Board Member) Ibrahim Osman Ishag
and (Chairman of the Board) Mamoun Ahmed A. Beheiry signatures, reverse, Camel postman,, (Pick 2b, TBB B202as), red diagonal SPECIMEN overprint,.
Estimate: £120 - £170