Untitled (drawing by Piene's daughter, left page); Untitled (bleed-through of following page with title for drawing, right page)

Black crayon on off-white wove paper

Graphite on light gray paper

Graphite on paper

Colored marker on paper

Black crayon on paper

Black marker on paper

Graphite on paper

Graphite on paper

Black ink, gray wash, and gouache on tan card

Black crayon on paper

Colored marker on paper

Graphite and colored pencil on paper