Untitled (bleed-through of previous page and color transfer, left page); Untitled (design for "Aluminiumplastik," right page)

Colored marker and opaque watercolor on paper

Black crayon on paper

Colored crayons on paper

Graphite on paper

Graphite

Graphite on heavy cream wove paper

Black pen and graphite on paper

Charcoal on cream laid paper

Colored marker on paper

Black chalk on parchment

Graphite on off-white wove paper