Bank of Sudan, hand produced obverse and reverse composite essay for 50 piastres, ND (1960s), serial number A/1 000000, blue and multicolour, arms with rhino and palms at left, cotton plant at right, reverse brown, girl picking cotton at centre(Pick unrecorded, TBB unrecorded), bears no resemblance to any notes issued in Sudan, thus unique and interesting (2)