Untitled, #20

1974

Medium: collage with hole-punched paper dots, pen and black ink, monofilament, and talcum powder on oak tag paper
Dimensions: sheet: 30.5 x 24.5 cm (12 x 9 5/8 in.) overall: 30.5 x 24.5 cm (12 x 9 5/8 in.)
Genre: drawing
Museum: National Gallery of Art