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

French scientist 'discovers hidden portrait' beneath surface of da Vinci's masterpiece 'Mona Lisa' – New York Daily News

Hidden portrait 'found under Mona Lisa': French scientist

3 layers of portraits may be hidden beneath Mona Lisa - The Mainichi

Mona Lisa up for auction? Not quite

How Leonardo da Vinci Made Mona Lisa Smile - The Atlantic

Hidden Drawing Discovered Beneath 'Mona Lisa

Hidden portrait 'found under Mona Lisa', says French scientist

Mona Lisa The Story Behind The Fame, its theft, reasons why it is world famous, and why it is a masterpiece.

REVEALED: The OTHER woman found hidden UNDER the iconic Mona Lisa painting, Weird, News

Scientists discover Leonardo's 'Mona Lisa' oil-paint recipe

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

The Mystic Smile The New Republic