BOAC Smaller World By Speedbird MidcenturyOriginal vintage travel advertising poster it's a smaller world by Speedbird fly BOAC featuring a great mid century design depicting a modern map of the world on a red globe reflected on an old world map showing tall ships sailing at sea set on a shaded blue sky background with white clouds and the Speedbird logo as a plane flying at speed across the image, the stylised lettering running diagonally below. British Overseas Airways Corporation in