Feder in Schwarz ["198mm x 327mm (Blatt)"] 27386
Aquarell ["298mm x 385mm (Blatt)"] 27361
Feder in Schwarz ["280cm x 350cm (Bild)","305mm x 411mm (Blatt)"] 1935-69
Feder in Schwarz ["141mm x 111mm (Blatt)"] 1948-209