Invisible Communications

1967

Medium: color etching with embossing on wove paper
Dimensions: plate (overall): 29.85 × 44.93 cm (11 3/4 × 17 11/16 in.) sheet: 49.53 × 63.02 cm (19 1/2 × 24 13/16 in.)
Genre: Portfolio
Museum: National Gallery of Art, Washington, DC, US