Hidden portrait 'found under Mona Lisa': French scientist

French scientist Cotte says he has found an image of a portrait underneath the existing Mona Lisa painting using reflective light technology

Scientist Discovers Hidden Portrait Beneath The Mona Lisa

Mona Lisa copy to go under the hammer in Paris auction

Leonardo da Vinci news: Mona Lisa's hidden dots show secret alterations to famous painting, World, News

Hidden portrait 'found under Mona Lisa', says French scientist - BBC News

Multispectral Imaging and the Mona Lisa, Possibility

Beneath the Mona Lisa Lies a Second Portrait, Scientist Claims

Mona Lisa — Discovering da Vinci

Mona Lisa Underdrawing Researchers Discover a Hidden Drawing Behind 'Mona Lisa

Mona Lisa second portrait spotted under Leonardo da Vinci's masterpiece

Hidden Drawing Discovered Beneath 'Mona Lisa

The Mystic Smile The New Republic