Among the 300+ oeuvres featured in the exhibition “Cubisme,” running at the Centre Pompidou in Paris through February 25 is, above, Pablo Picasso, “Portrait of Gertrude Stein,” 1905-1906. Oil on canvas, 100 x 81.3 cm. The Metropolitan Museum of Art, New York. ©The Metropolitan Museum of Art, Dist RMN-Grand Palais / image MMA. © Succession Picasso 2018.