Untitled (blank, front endpaper, left page); Untitled (Piene signature, right page)

Graphite on paper

black ink, gouache, silver- and gold-colored paints, graphite, on cardboard, varnished

Black, blue, and green crayon on paper

Graphite on paper

Black crayon on paper

Ink, colored wash, and typewritten text on paper

Colored marker on paper

Graphite on cream wove paper

Graphite on paper

Graphite on paper

Ink on paper

Black crayon on paper, mounted