unused Block Larger Than four 1959 Red Cross Centenary 15c., 20c. and 30c., the unissued set before the surcharges were added in Addis Ababa, each in a complete sheet of one hundred with the control "B59" altered from "A55"; removed from backing card and, in spite of a few creases or split perfs., the majority fine unmounted mint. A hitherto unknown variety and a unique opportunity to acquire all the known examples.