met-american-decor: Staircase from Chicago Stock Exchange Building, Chicago by Louis Henry Sullivan,
met-american-decor:Staircase from Chicago Stock Exchange Building, Chicago by Louis Henry Sullivan, American Decorative ArtsPurchase, Mr. and Mrs. James Biddle Gift and Emily Crane Chadbourne Bequest, 1972Metropolitan Museum of Art, New York, NYMedium: Cast iron, electroplate copper finish, mahogany railing -- source link