South Africa 1918 Cape Town First Flight Card, Our Day Label

SA: 1918 "Make your 6d fly". First CAPE TOWN FLIGHT card (Large Wings) franked KGV 1d tied crisp cds 7 OCT. Addressed to London, the 1d franking paying overseas postage. Additionally bears an "Our Day" 3d fundraising label, scarce use on card thus. Small imperfections, essentially F. Scarce & attractive. Ex Barry Smith.