original single-sided early 20th century antique american industrial stamped yellow brass factory freight elevator cab or car plaque designed and fabricated by or for the f. rosenberg elevator company, milwaukee, wisc. the plaque was removed from an old freight elevator shortly before the building housing it was demolished. other plaques and the push button control box were removed from the same elevator. the additional items are listed in their respective categories. measures 7 x 3 1/2 inches.