Giovanni Battista Moroni painted 'Portrait of a Woman' (circa 1575) Frick Collection. Her right shoulder juts forward to expose a semi-profile of her face as her gaze shifts left to meet ours.

The portrait of the woman was lost when Picasso painted over it, probably a few months afterward, in 1901 to depict his sculptor friend Mateu Fernández de Soto sitting at a table in hues of blues ...

A portrait of a mystery woman was found beneath Pablo Picasso's "Portrait of Mateu Fernández de Soto" by the Courtauld Institute of Art in London.