August 8, 2014Swann CommunicationsVintage Posters WWI&II, Grand Prix and Tennis Images Led Swann’s Top August Posters Auction of All Time Read more about WWI&II, Grand Prix and Tennis Images Led Swann’s Top August Posters Auction of All Time Coming on the heels of tremendous media coverage (see: The Telegraph, The Daily Mail, Luxury Travel Magazine, Robb Report and Slate), Swann’s August 6 auction of Vintage Posters grossed more…