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

Red and black marker on paper

Colored marker and opaque watercolor on paper

Mixed media

Colored marker and black ink on paper

Colored marker and red felt-tipped pen on paper

Colored marker on paper

Black marker on paper

Ink on postcard

Colored marker and opaque watercolor on paper

Ink on postcard