Leonardo da Vinci may have painted another 'Mona Lisa.' Now

Kept hidden for decades in a Swiss vault, the so-called “Isleworth Mona Lisa” is at the center of a mysterious ownership dispute.

Leonardo da Vinci's 'Mona Lisa' copy fetches over $242K at Paris auction - The Economic Times

Mona Lisa copy may have been painted by Leonardo da Vinci's lover, art historians suggest

The detail that unlocks the Mona Lisa

The Last da Vinci

Is there a 2nd 'Mona Lisa' painted by Leonardo da Vinci?

Why is the Monalisa so famous? Monalisa's portrait painting history

Fake' Mona Lisa sells for USD 3.4 million

Mona Lisa (article), Leonardo da Vinci

Leonardo Da Vinci and his Greatest Love: The Mona Lisa