original c. 1920-24 vintage single-sided solid cast bronze metal freight elevator cab control button panel salvaged from an old chicago pain factory building. the rectangular-shaped bronze panel contains multiple circular holes once containing push-buttons for controlling the functionality of the elevator cab. the stamped brass "otis" button or medallion remains intact. the panel was likely fabricated by or for the otis elevator co., new york. measures approximately 16 1/2 x 3 1/2 inches.