Postcard on left is a Rafael Tuck & Sons Card, Series N9 2569, "Chicago". It is postmarked 1909.  On the back, "DEARBORN STREET NORTH FROM MONROE. One of the finest wide business streets of the city is Dearborn, exteding north and south for several miles.  There are many high and magnificent structures along its sides, among which are the Adams Express Co's building of ten stories, the Caxton, thirteen stories, the First National Bank, nine stories, and the Manhattan, the Marquette, the Monadnock, and the Old Colony, all at sixteen stories."