Lot 93 : General - Imperial AirwaysGeneral - Imperial Airways : CAPE TOWN-LONDON 1ST REGULAR RETURN SERVICE Kimberley-Sailsbury, 3d & 2d of SWA, tied with Lugpos Mariental Air Mail cachet with Mariental 26 Jan 32 cds cancel clear of stamps (Superb strikes). On Robertson illust cover. Addressed to Salisbury. Feeder service from SWA to Kimberley. On the reverse Salisbury 28 Jan 32 receiving & 28 Jan 32 Poste Restante cancel. Very fine clean cover.