Black and white photograph of a billboard hanging above a parking lot in Chicago, Illinois. The billboard features a large headshot of a young woman next to the words, "Swing In, 3 Days, 2 Nights, 37..." and is positioned next to a sign for the…

Black and white photograph of a promotional sign for the city of Chicago painted on the side of a brick wall in Chicago, Illinois. In the photograph, the sign reads, "Chicago, 'The Friendliest City in the World,' Richard J. Daley, Mayor." Scanned…