À l'origine méprisé puis volé et caché, "Le Portrait d'Irène Cahen d’Anvers", ou "La Petite Fille au ruban bleu", huile d'Auguste Renoir de 1880, est maintenant reconnu comme chef-d'oeuvre.
The story of Renoir's masterpiece, "The Little Girl with the Blue Ribbon", constantly tossed around, shelved by its patrons, looted by the Nazis, found by the Monument Men, recovered by the family, sold to a controversial collector, before finally arriving at the Kunsthaus Zurich.