Untitled (notes on alternatives to Feuerwerk, left page); Untitled (sketch for Kunstmuseum Celle, right page)

Colored marker and graphite on paper

Black and blue marker and black ink on paper

Paper

Printed ink on paper and adhesive on sketchbook paper

Mixed media

Colored marker and opaque watercolor on paper

Colored marker and opaque watercolor on paper

Colored marker on paper

Ink, watercolor, and collage on paper

Black marker on paper

Ink on postcard

Colored marker on paper