DANKMAR ADLER AND LOUIS SULLIVAN

DANKMAR ADLER AND LOUIS SULLIVAN STAIRCASE FROM THE CHICAGO STOCK EXCHANGE, 30 LASALLE STREET, CHICAGO, ILLINOIS cast iron, patinated wrought iron, oak and marble 133 3/8 x 102 1/2 x 50 1/4 in. (339.4 x 260.4 x 127.6 cm) circa 1893 manufactured by the Winslow Brothers Company