For centuries, an unsigned portrait of a beautiful young woman at Rome's Galleria Borghese remained shrouded in mystery. Now a focus exhibition at San Francisco's Legion of Honor, Sublime Beauty: Raphael's "Portrait of a Lady with a Unicorn" brings the enigmatic teenager to the U.S. for the first time with a new theory about her identity (January 9 to April 10). "Inexplicably magnetic, it stops you in its tracks," says Esther Bell, the show's organizer and curator of European Painting at the Fine Arts Museums of San Francisco. "It's a beautifully balanced painting and one of Raphael's most beautiful portraits." First recorded in the Borghese collection in 1682, "Portrait of a Lady with a Unicorn" was misattributed to a number of artists, including Pietro Perugino and Domenico Ghirlandaio. Further clouding matters, in the mid-17th century, an unknown artist changed the sitter into St. Catherine, covering her bare shoulders with a cloak and replacing the small unicorn in her lap Read More