1950's job lot of covers (23) all bearing frankings of R & N defins & Central African Airways Letter Service 6d adhesives incl. pairs & 1s val, various cancels/cachets incl. Salisbury Airport Terminal, C.A.A Cargo Salisbury, C.A.A Freight Section Blantyre, C.A.A Lusaka etc. Interesting lot, mainly large size brown envelopes. (Image)