epa03412530 A detail of a painting attributed to Leonardo da Vinci representing Mona Lisa, is displayed during a presentation in Geneva, Switzerland, 27 September 2012. The Mona Lisa Foundation, a non-profit organisation based in Zurich, is presenting the painting and historical, comparative and scientific evidence, which demonstrates that there have always been two portraits of the Mona Lisa by Leonardo da Vinci, the 'Earlier Version,' made ten years earlier than the 'Joconde' (La Gioconda) that is displayed in Le Louvre in Paris, France.(KEYSTONE/Yannick Bailly) EPA/YANNICK BAILLY