POSTCARD - CHICAGO - AUDITORIUM HOTEL - S MICHIGAN AND CONGRESS - GROUND CORNER VIEW - A LOUIS SULLIVAN BUILDING BUILT 1889 - THEY DID SOME RENOVATIONS IN THE YEAR OF THIS CARD (1921) WHICH THE CARD BACK HIGHLIGHTED - NOTE THE BALCONY RESTAURANT ON MICHIGAN ABOVE THE ENTRANCE ARCHES - IT LOOKED OUT ON GRANT PARK - TINTED - VERY NICE VERSION - 1921