This original postcard is from the 1933 Century Of Progress (Chicago World's Fair) which was held in Chicago. It is in excellent condition and the front features the "Illinois Host Building". The reverse side features a postcard format, which is unused and a paragraph that says "The Illinois Host Building is equipped with a large Audiotorium and comfortable Lounge Hall and houses a very complete and valuable exhibit of Lincolniana" and measures approx. 5 1/2" x 3 1/2".