Set of 4 vintage bar stools "Birillo" by Joe Colombo for Zanotta

These four bar stools, model Birillo, were designed in 1971 for Zanotta. They include the black leather upholstery and metal base in chromed with a black lacquered plastic foot. The design has received the gold medal at the international exhibition MIA in 1972 and can also be seen at the Museum of Modern Art, New York.