Untitled (bleed-through of previous page, left page); Untitled (sketch for Kunstmuseum Celle, right page)

Red and black marker on paper

Colored marker on paper

Paper

Black marker on paper

Colored marker, black ink, letterhead, and adhesive on paper

Ink on postcard

Black marker and blue ink on paper

Colored marker on paper

Blue felt-tipped pen on paper

Black paper

Colored marker and black ink on paper

Colored marker, black ink, and opaque watercolor on paper