Robert Motherwell, ‘Untitled (Engberg/Banach 211)’, 1977, Alpha 137 Gallery
Robert Motherwell, ‘Untitled (Engberg/Banach 211)’, 1977, Alpha 137 Gallery
Robert Motherwell, ‘Untitled (Engberg/Banach 211)’, 1977, Alpha 137 Gallery
Robert Motherwell, ‘Untitled (Engberg/Banach 211)’, 1977, Alpha 137 Gallery