Old Heidelberg, Chicago World's Fair Real Postcard

Chicago World's Fair exhibition this black and white used post card shows a picture of Old Heidelberg Chicago World's Fair Number 354. Pub. by Gerson Bros Chicago. Il. Message on the back with address. and one cent stamp. Century of Progress Chicago Worlds Fair 1833-1933. Crease on the right corner and scuffed corners. Nice World's Fair memorabilia