Ellsworth Kelly, ‘Blue Green; Blue Black; and Yellow Black (A. 65, 67, 69)’, 1970, Sotheby's
Ellsworth Kelly, ‘Blue Green; Blue Black; and Yellow Black (A. 65, 67, 69)’, 1970, Sotheby's
Ellsworth Kelly, ‘Blue Green; Blue Black; and Yellow Black (A. 65, 67, 69)’, 1970, Sotheby's