Feder in Braun ["258mm x 191mm (Blatt)"] 23918
Feder in Braun ["289mm x 225mm (Blatt)"] 23006
Aquarell ["322mm x 493mm (Blatt)"] 1963-100
Stempel, Aquarell, Deckfarbe ["625mm x 878mm (Blatt)"] 1988-151