VASSILIEFF, MARIE 1884-1957 Man and Woman double-sided, signed. Oil on canvas, 91 by 60 cm. Authenticity has been confirmed by Claude Bernes. Provenance: Collection of Didier Cottoni. Purchased by the present owner from the Didier Cottoni Collection Sale, 1970. Private collection, France. Literature: Auction catalogue, Marie Vassilieff, Didier Cottoni Collection, Versailles. Palais des Congres,