This original postcard is from the 1933 Century Of Progress (Chicago World's Fair) which was held in Chicago. It is in very good condition with an "RMS CANCEL" and the front features the "Old Heidelberg Inn, Chicago World's Fair". The reverse side features a postcard format, which has been used & has an "RMS" cancellation on the stamp and has a paragraph that says "Seating Thirty Five Hundred persons, this restaurant is a replica of the Old Heidelberg Inn located in Heidelberg, Germany noted for the food & beer the world over" and measures approx. 5 1/2" x 3 1/2".