Some scholars believe that the portrait is a Leonardo original painted by the Renaissance artist before he made the more famous work housed at the Louvre.
Masterpiece or fraud? Second Mona Lisa goes on display in Italy euronews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from euronews.com Daily Mail and Mail on Sunday newspapers.
The so-called Isleworth Mona Lisa spent more than two centuries in England before being hidden for decades in a vault in Switzlerland. Now it is being exhibited at an exhibition in Turin.
Doctor Who s 60th anniversary: where are the Time Lords now? standard.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from standard.co.uk Daily Mail and Mail on Sunday newspapers.