Aquarell ["236mm x 331mm (Blatt)"] 57001
Feder in Schwarz, laviert ["61mm x 91mm (Blatt)"] 1963-321
Feder in Schwarz, laviert ["61mm x 93mm (Blatt)"] 1963-322
Aquarell ["125mm x 196mm (Blatt)","201mm x 271mm (Blatt)"] 41940