Simon Verelst's erotic painting, not seen in public for 50 years, will be used as a mascot to promote First Actresses exhibitionA daringly erotic portrait of Nell Gwyn not seen in public for 50 years will be included in an exhibition on the first actresses.The 17th-century artistic convention to indicate the subject was a courtesan or actress is now known as the "nipple slip" " but this detail of a portrait by Simon …
SOURCE: The Guardian at 02:03PM on October 18, 2011