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Weißer Schmetterling, 1954/55
Oil and polyester resin on card board, mounted on canvas on hardboard
35 × 44,5 cm
© VG Bild-Kunst, Bonn
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Skizze nach "Freundliches Phantom", 1952
Oil, tempera and charcoal on paper
45,5 × 53,5 cm
© VG Bild-Kunst, Bonn