East Africa Currency Board, 20/- = £1, 1st January 1955, serial number G79 00635, orange, blue, and brown, Queen Elizabeth II wearing King George IV's state diadem and necklace at upper right, denomination at each corner, reverse, lion with Mount Kenya in the background, (Pick 35, TBB B225c), in PMG holder 58 Choice About Uncirculated.
Estimate: £200 - £250