MADRID — 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 ...

Side by side, the pictures look noticeably different: The copy is significantly brighter and more colorful; even Mona Lisa's famously coy smile takes on a new cast. Enlarge this image ...

File photo: 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.

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 ...

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 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 ...

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 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.

Mona Lisa's copy set to be sold in Paris is so similar to the original that it is likely that the artist had close access to Leonardo’s version.

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

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 ...