1932-37 range of first flight covers (6) from 1932 Imperial Airways first regular service Broken Hill - Cape Town springbok cover (125 flown), another for Broken Hill - Keetmanshoop, 1932 Emergency Air Service Broken Hill - London (one of only 76 reg letters), another similar, 1934 Acceptance for RANA first flight Salisbury - Blantyre with cachets, scarce - one of 109 flown (excl. S. Rhodesia), South African Airways 1937 Livingstone - Bulawayo (only 15 flown). (Image)