Untitled (notes, left page); Untitled (sketch for Kunstmuseum Celle, right page)

Blue and black marker on paper

Paper

Colored marker and opaque watercolor on paper

Colored marker on paper

Colored marker and opaque watercolor on paper

Blue and black marker on paper

Blue and black marker on paper

Red and black marker on paper

Colored marker on paper

Colored marker and opaque watercolor on paper

Colored and metallic marker, and black ink on paper

Printed ink on paper and adhesive on sketchbook paper