Helen Frankenthaler, Mountains and Sea, 1952, oil and charcoal on unsized, unprimed canvas, 219.4 x 297.8 cm (National Gallery of Art, Washington)
source
Helen Frankenthaler, Mountains and Sea, 1952, oil and charcoal on unsized, unprimed canvas, 219.4 x 297.8 cm (National Gallery of Art, Washington)
source