Sketchbook: "Perforations" Leopold Hirsch Museum Düren 'Papierkunst' ("alle Objekte perforiert aus Papier and Pappe")

Black crayon on paper

Colored marker on paper

Graphite on paper

Colored marker on paper

Black crayon on cream wove paper

Black pen on adhesive fabric and blackmarker on paper

Black crayon on paper and mounted

Graphite on paper

Graphite on paper

Black and aqua crayon on paper

Black crayon on paper

Graphite on paper