Bahner Residence, Berlin, Klein-Machnow, 1933: Gutter: detail (cancelled) 1:1

Black crayon on envelope

Graphite on paper

Black and red marker on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Colored crayons on paper and mounted

Ink on paper

Colored marker on paper

Colored marker on paper

Graphite on paper

Graphite on paper