all original cast bronze single-button chicago board of trade building passenger elevator push-button and backplate

rare museum-quality original chicago board of trade building interior lobby passenger elevator push button and plaque fabricated by or for the otis elevator company, new york city, ny. the nicely aged heavy cast brass elevator wall plaque features a single ball-shaped push button and glass rondel with etched directional arrow. the nicely aged elevator plaque was salvaged from holabird and root's board of trade building completed in 1930. several lots of original custom-designed hardware and an original ceiling sconce are also available.