Karl Gerstner (Swiss, 1930-2017). Silkscreen in colors on wove paper titled “Color Sounds #2,” from the “Color Sounds” series, ca. 1973, depicting a brightly colored geometric composition. Pencil signed and numbered 119/175 in the composition along the lower right. Titled along the verso. Height: 31 1/4 in x width: 31 1/4 in.