South Africa 1918 Benoni Flight Card to England

SA: 1918 "Make your 6d fly". Small Wings BENONI FLIGHT card franked KGV 1d tied special AERIAL POST cds -1.DEC, well struck. Addressed to England as per the 1d franking. Card is light blue on red print. VF, fresh, a superior example of this uncommon card from the flight series. Ex Hudson.