London Air Ceylon Airline Sri Lanka Sapphire ServiceOriginal vintage travel poster issued by Air Ceylon Fly the Sapphire Service to London featuring artwork by Mart Kempers (1924 1993) depicting a busy London city street scene with a delivery van, a taxi laden with tourist luggage and passengers sitting on an iconic red double decker bus in the foreground, lit up the glowing street lights with a clock on the buildings in the background, a plane flying by the bold title text in the night sky above and