Feder in Braun ["258mm x 191mm (Blatt)"] 23918
Feder in Braun ["289mm x 225mm (Blatt)"] 23006
Pinsel in Braun über Bleistift, Feder in Grau ["385mm x 383mm (Blatt)"] 41119
Collage ["200mm x 155mm (Blatt)","160mm x 130mm (Bild)"] 1961-3