Agnes Martin, Untitled, c.1975. Transparent watercolor, black ink, and graphite on paper 9 x 9 inches (22.9 x 22.9 cm) Jack Shear Collection © Agnes Martin Foundation, New York / Artists Rights Society (ARS), New York.
Agnes Martin, Untitled, c.1975. Transparent watercolor, black ink, and graphite on paper 9 x 9 inches (22.9 x 22.9 cm) Jack Shear Collection © Agnes Martin Foundation, New York / Artists Rights Society (ARS), New York.