Currency Board, Specimen 5, Salisbury, 15 January 1952, prefix C/24, blue and multicoloured, George VI at right, signature of Chairman at centre, mining settlement low centre, value at each corner and in white underprint at centre, rev. blue and multicoloured, Victoria Falls at centre (P.11c), '4/9/51' in ink in top margin, perforated SPECIMEN, good extremely fine, rare