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

Graphite and pink crayon on paper

Graphite and colored crayon on paper

Colored marker on paper

Graphite and incised lines on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Blue and purple crayon on paper

Colored marker on paper

Brown crayon on paper

Colored crayon on paper

Black marker on paper