original c. 1940's vintage industrial angled steel factory stool featuring an unusual customized bronze plate seat with a welded nickel in the center. the significance of the solid bronze seat with a fixed coin remains unknown. the riveted joint four-legged base remains structurally sound and stable. likely fabricated by the angled steel co., hallowell, mi. salvaged from a chicago gear and sprocket factory. measures 13 x 13 x 22 1/2 inches.