To London By Jet Clipper Pan AmOriginal vintage Pan American airways travel poster To London by Jet Clipper Pan Am World's Most Experienced Airline featuring a fantastic midcentury modern design depicting an iconic red double decker London bus approaching Piccadilly Circus with the conductor holding on to the pole by the back steps and reaching up to hold the ceiling strap hanger formed as the O in London, the title text above on a blue background, with a city scene of buses