'Nude Mona Lisa' could be work of da Vinci(01)

'Nude Mona Lisa' could be work of da Vinci(01)

Image gallery: La Mona Nudes

Did Leonardo da Vinci Sketch the ‘Nude Mona Lisa’? - The New York Times 'Nude Mona Lisa' could be work of da Vinci 'Mona Lisa nude sketch' found in France - BBC News