East African Currency Board, a printers archival specimen 10 shillings, Nairobi, 31 March 1953, serial number E50 00000, dark green, blue and pink, Elizabeth II at right, value at left, at centre and at each corner, signatures of Downie, Kershaw, Bourdillon and Rogers, reverse green, lion at centre (Pick 34s, TBB B224as), in PCGS holder 65 PPQ GEM NEW, perforated CANCELLED, rare
