Southern Rhodesia 1932 29th January, envelope bearing KGV 1d &4d. and 3d small Falls , cancelled 'SALISBURY'. Carried on the first scheduled southbound London - Cape Town flight struck with violet 'FIRST OFFICIAL AIR MAIL' handstamp, . Reverse with Johannesburg (1st February), Cape Town (2nd February) transit strikes and Salt River (3rd February) arrival backstamps.