Robert Motherwell, ‘El Negro (W.A.C. 308.1-.21)’, 1983, Sotheby's
Robert Motherwell, ‘El Negro (W.A.C. 308.1-.21)’, 1983, Sotheby's
Robert Motherwell, ‘El Negro (W.A.C. 308.1-.21)’, 1983, Sotheby's
Robert Motherwell, ‘El Negro (W.A.C. 308.1-.21)’, 1983, Sotheby's