A picture went on view in Geneva Thursday that is said to be by da Vinci, a portrait of young Lisa Gherardini. Leonardo painted her after her marriage to merchant Francesco del Giocondo, and that painting is known as La Gioconda, and also as the Mona Lisa.
The newly-revealed painting of the teen beauty is called the Isleworth Mona Lisa. Is it by Leonardo da Vinci? Is it an early painting of a young Lisa Gherardini? Opinions differ: