In order to create a "conversational residency" of artists, architects and writers, the renowned gallerist and doyenne of the French art scene Natalie Seroussi is auctioning some of her spectacular collection of artworks curated since she opened her first gallery in 1977. Included in French Cancan by Natalie Seroussi is an iconic work by Martial Raysse and a red chalk self-portrait by Henri Matisse. Click through to see highlights from the sale.