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

Mixed media

Colored marker on paper

Colored marker and blue ink on paper

Colored marker on paper

Ink on mat board

Colored marker, black ink, and opaque watercolor on paper

Colored marker on paper

Colored marker and black ink on paper

Red and black marker on paper

Colored marker on paper

Colored marker and black felt-tipped pen on paper

Ink on postcard