1955年东非20先令,编号G79 19490,PMG 64EPQ. 世界纸币. The East Africa Currency Board, 20 shillings, 1955, serial number G79 19490, black and orange on multicolour, Queen Elizabeth II at top right, signature at bottom right, reverse orange, walking lion at centre,(Pick 35), PMG 64EPQ Choice Uncirculated