About This Item
original c. 1893 chicago stock exchange ornamental cast iron interior office door hardware designed by architect louis sullivan and fabricated by the yale & towne hardware co., stamford, conn. the highly detailed doorknobs & backplates were salvaged from an interior office door, which were the only doors that contained the monogrammed backplates. the passage, bathroom and/or utility doors carried the same design, but were smaller and did not contain the monogram. the late 19th century cast iron backplate remains in excellent condition with no rust or wear to the surface detail. the adler and sullivan stock exchange was demolished in 1972. the backplates measure 9 1/2 by 3 1/4 inches.