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.

The Mona Lisa is one of the most enigmatic and iconic pieces of Western art. It has inspired countless copies, but one replica at the Madrid's Museo del Prado is generating its own buzz ...

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 ...

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.

In the case of the “Mona Lisa” copy, the painted-over version left just the young woman in view, with none of the tell-tale background that could link it more closely to the masterpiece.

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.

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 ...

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" 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 ...