Sotheby's to Auction Off Unseen Portrait of Picasso's Lover and Muse

This month, Sotheby's London will auction off a largely unseen portrait by Pablo Picasso titled Femme endormie. The 1931 charcoal drawing depicts Picasso's lover and muse Marie-Thérèse Walter and was personally kept by the artist until his death in 1973. "It is just wonderful, it looks back to the great drawings of the Renaissance yet it is so incredibly modern and free and spontaneous and direct," says Helena Newman, head of Sotheby's Impressionist and Modern Art department. "It is like you a...