Untitled (note and date, left page); Untitled (sketch for Kunstmuseum Celle, right page)

Colored marker and black ink on paper

Mixed media

Black ink and adhesive on paper

Colored marker on paper

Red and black marker on paper

Colored marker on paper

Black ink on paper

Ink on mat board

Colored marker on paper

Ink on postcard

Colored marker on paper

Colored marker and red felt-tipped pen on paper