[Lady Mansel] [graphic]Bretherton, Charles, -1783, printmakerpublished as the act directs [ca. 1781]engTitle from annotation on Horace Walpole's copy in the New York Public Library, identifying the sitter as Lady Barbara Villiers, Baroness Mansell. British Museum catalogue gives title as: [The Duchess of Norfolk?].Date from British Museum catalogue.Sheet trimmed within plate mark.