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

Black marker and ink, color photocopy, and adhesive on sketchbook paper

Black marker on paper

Gouache and collage elements on wallpaper

Colored marker on paper

Graphite on paper

Colored marker on paper

Graphite and ink on paper

Colored marker on paper

Black and red marker on paper

Black crayon on paper

Graphite on paper

Graphite on off-white wove paper