South Africa 1925 Airmails Set Cover, Royal Tour Oval Cancels

SA: 1925 FLIGHT COVER: Cover carried from East London (20 MAY) to Cape Town via Port Elizabeth franked full set 1925 airs (1d,3d,6d&9d) together with ordinary KGV 2d. SA Airmail datestamp 20 MAY on front. The SOUTH AFRICA / ROYAL TOUR OVAL ties all stamps. No markings on reverse. VF, attractive & scarce. Ex Barry Smith. A post office was attached to the Royal Train and this envelope is dated to the train being at East London. It was carried on the 12th westbound flight Cape Town.