Untitled (graphite transfer, left page); Untitled (sketch by Piene's daughter [Chloe] right page)

Colored marker on paper

Black crayon on paper

Black marker on paper

Black crayon on paper

Flower stains and traces on paper

Black and red marker on paper

Graphite on off-white wove paper

Colored marker on paper

Colored marker, b/w photocopy, and adhesive on paper

Black crayon on paper

Black crayon on paper

Charcoal, ink, colored pencil, and gouache on off-white wove paper