South Africa 1918 Pretoria Flight Card

SA: 1918 "Make your 6d fly". Small Wings PRETORIA FLIGHT card franked KGV 1d tied by Johannesburg cds 25.NOV, the special AERIAL POST cds 27.NOV superbly struck at upper left. Light blue on red print. F-VF, insignificant perimeter imperfections mentioned for accuracy (see photo), scarce.