East African Currency Board, a printers archival specimen 20 shillings, Nairobi, 1 August 1951, serial number B/70 00000, orange-brown, George VI top left, value top right, at centre and at each corner, signatures of Downie, Kershaw, Bourdillon and Rogers, reverse orange-brown, lion at centre (Pick 30bs, TBB B219js), in PCGS Currency holder 63 CHOICE NEW, perforated CANCELLED, ink date 26.10.51, rare