A picture shows a charcoal drawing known as the "Monna Vanna", also dubbed "The Nude Mona Lisa" (La joconde nue), during the artwork's presentation to the press at the Domaine de Chantilly, north of Paris, on March 11, 2019. A nude drawing that bears a striking resemblance to the "Mona Lisa" was done in Leonardo da Vinci's studio and may be the work of the master himself, a French museum said on March 4. Experts at the Louvre in Paris, where the world's biggest collection of Leonardo's work is held, have been examining a charcoal drawing known as the "Monna Vanna" which has long been attributed to the Renaissance painter's studio. The Nude Mona Lisa will be displayed from June 1 to October 6, 2019, at the Domaine de Chantilly. (Photo/Agencies)
A picture shows a charcoal drawing known as the "Monna Vanna", also dubbed "The Nude Mona Lisa" (La joconde nue), during the artwork's presentation to the press at the Domaine de Chantilly, north of Paris, on March 11, 2019. A nude drawing that bears a striking resemblance to the "Mona Lisa" was done in Leonardo da Vinci's studio and may be the work of the master himself, a French museum said on March 4. Experts at the Louvre in Paris, where the world's biggest collection of Leonardo's work is held, have been examining a charcoal drawing known as the "Monna Vanna" which has long been attributed to the Renaissance painter's studio. The Nude Mona Lisa will be displayed from June 1 to October 6, 2019, at the Domaine de Chantilly. (Photo/Agencies)
A picture shows a charcoal drawing known as the "Monna Vanna", also dubbed "The Nude Mona Lisa" (La joconde nue), during the artwork's presentation to the press at the Domaine de Chantilly, north of Paris, on March 11, 2019. A nude drawing that bears a striking resemblance to the "Mona Lisa" was done in Leonardo da Vinci's studio and may be the work of the master himself, a French museum said on March 4. Experts at the Louvre in Paris, where the world's biggest collection of Leonardo's work is held, have been examining a charcoal drawing known as the "Monna Vanna" which has long been attributed to the Renaissance painter's studio. The Nude Mona Lisa will be displayed from June 1 to October 6, 2019, at the Domaine de Chantilly. (Photo/Agencies)
Curator at the Conde Museum Mathieu Deldicque holds a charcoal drawing known as the "Monna Vanna", also dubbed "The Nude Mona Lisa" (La joconde nue), during the artwork's presentation to the press at the Domaine de Chantilly, north of Paris, on March 11, 2019. - A nude drawing that bears a striking resemblance to the "Mona Lisa" was done in Leonardo da Vinci's studio and may be the work of the master himself, a French museum said on March 4. Experts at the Louvre in Paris, where the world's biggest collection of Leonardo's work is held, have been examining a charcoal drawing known as the "Monna Vanna" which has long been attributed to the Renaissance painter's studio. The Nude Mona Lisa will be displayed from June 1 to October 6, 2019, at the Domaine de Chantilly. (Photo/Agencies)
Curator at the Conde Museum Mathieu Deldicque handles a charcoal drawing known as the "Monna Vanna", also dubbed "The Nude Mona Lisa" (La joconde nue), during the artwork's presentation to the press at the Domaine de Chantilly, north of Paris, on March 11, 2019. - A nude drawing that bears a striking resemblance to the "Mona Lisa" was done in Leonardo da Vinci's studio and may be the work of the master himself, a French museum said on March 4. Experts at the Louvre in Paris, where the world's biggest collection of Leonardo's work is held, have been examining a charcoal drawing known as the "Monna Vanna" which has long been attributed to the Renaissance painter's studio. The Nude Mona Lisa will be displayed from June 1 to October 6, 2019, at the Domaine de Chantilly. (Photo/Agencies)
