Unissued - 1000pr 3rd vertically pair at right margin P. Dues 1959 final design in Violet, comb perf 13x14¼ on gummed paper u/m single, emanates from a sheet of 50 intended to be issued late summer 1959 but demonetized due to change of currency on 1.1.1960; vf, certificate can be obtained on request.
Ba #PD.21 p. 116,