National Bank, Specimen 50, 6 July 1942, serial no. N/4000001 - N/4100000, purple and multicoloured, Mameluke tombs at centre, caravan train in foreground, value at left and right and at each corner, rev. purple, value at each corner (P.15c), '8.7.42' in ink in top margin, perforated SPECIMEN, uncirculated, rare, a lovely note