One controversy surrounding this painting concerns
One controversy surrounding this painting concerns the identity of its model, possibly the same as in a Coronation of the Virgin by the same artist. Mary Richardson compared the central figure of this painting to Emmeline Pankhurst, "the most beautiful character in modern history," who was being destroyed by "the government" just as Richardson vandalized this painting. The viewer of this painting is able to see the central figure's face, thus giving rise to a  namesake "effect," but the shared gaze between subject and viewer is rendered ambiguous by the indistinct image of the subject in the mirror, while the rear view of the recumbent subject of this work was an innovation for the form. For 10 points, what is this rare surviving 17th century female nude, a goddess of love painted by Diego Velazquez?
One controversy surrounding this painting concerns the identity of its model, possibly the same as in a Coronation of the Virgin by the same artist.
Rokeby Venus (accept Toilette of Venus, Venus at her Mirror, and Venus and Cupid)