This is a set of four Saarinen Tulip Pedestal Swivel Armchairs, Model 150A, initially designed by Eero Saarinen for Knoll in 1956. These examples date to the 1960s. The listed price includes the set of four chairs. They each retain their original Knoll labels under their seats. Their design features a sculpted tulip-like base that is composed of powder-coated cast aluminum, and their shells are formed of molded fiberglass. They have upholstered cushions done in a textured black patinated leather.

Each chair measures 23.5 inches long, 26 inches wide, and 32 inches high. They have a seat height of 18 inches, and an arm height of 25.38 inches. The shells are in good condition with no major wear to the fiberglass. The coating is worn on the armrests, and there are some black marks on the chair's bases. There are scuffs and scrapes throughout. Overall, these chairs are in good vintage condition. Please see photos.