Untitled (notes on alternatives to Feuerwerk, left page); Untitled (notes on alternatives to Feuerwerk, right page)

Black marker on paper

Colored marker and black felt-tipped pen on paper

Colored and metallic marker, and black ink on paper

Colored marker, black ink, and opaque watercolor on paper

Paper

Mixed media

Ink on postcard

Colored marker and black ink on paper

Red and black marker on paper

Colored marker and black ink on paper

Black marker and black ink on paper

Black and blue marker on paper