Tall rectangular medium grey canvas with small black white red and blue rectangles staggered from top to bottom in columns creating the appearance of upward motion. A track of white and black runs down the middle, red on the right and top left, some dark blue rectangles appear toward the bottom left.

Duet Blue and Red, 1945

Oil on canvas, 31 x 22 in. / 78.7 x 55.9 cm.