Conservators at the Museo del Prado in Madrid recently discovered that this copy of the Mona Lisa was painted by a pupil working alongside Leonardo da Vinci.

Spain's Prado Museum unveiled a copy of Leonardo da Vinci's "Mona Lisa" painted by one of his apprentices.

A "Mona Lisa" copy owned by Spain's Prado Museum was almost certainly painted by one of Leonardo da Vinci's apprentices alongside the master himself as he did the original, museum officials said ...

A "Mona Lisa" copy owned by Spain's Prado Museum was almost certainly painted by one of Leonardo da Vinci's apprentices alongside the master himself as he did the original, museum officials said ...

A copy of Leonardo da Vinci's "Mona Lisa" was painted by a pupil or follower of the artist at about the same time as the original was created, and is now considered the oldest known copy of the ...

A copy of Leonardo da Vinci's Mona Lisa that was painted at the same time as the original in the same studio is displayed at the Prado Museum in Madrid Wednesday Feb. 1, 2012.

MADRID - Spain's Prado Museum said Wednesday it has a copy of Leonardo da Vinci's "Mona Lisa" that one of his students painted in the studio where the masterpiece was completed. A museum ...

A French School copy of the Mona Lisa dating to 1600 is coming to auction at Artcurial this week. Here's what you need to know about it.

The copy was discovered after conservators at the Prado removed black paint from what they believed was a replica of the ‘Mona Lisa’ created after Da Vinci’s death.

A famous fake copy of the Mona Lisa, so similar to Leonardo da Vinci’s masterpiece that some experts questioned whether the real copy was hanging in the Louvre, was purchased Friday for $3.4 ...

A faithful copy of Leonardo da Vinci's Mona Lisa dating from more than 400 years ago will go under the hammer at a Paris auction on Tuesday, months after another reproduction of one of the world's ...