Did Leonardo da Vinci paint two Mona Lisas? Where are they?

Donna Nuda:

Another version of the above exists, attributed to Salaj:

While overall similar, there are differences in the shape of the face, the background and other details.

How can the citizens of Russia accept the enormous difference between people? The richest 500 Russians own more than the poorest 99.8% of the entire Russian population combined. Why don't we see any protests?

Obviously, the original Mona Lisa also inspired some cheeky versions of her.

There is only one Mona Lisa, at the Louvre, fully credited to Leonardo. However, there are several Mona Lisa look-alikes from his studio, some of them quite saucy. The one most similar to the Louvre one is the Prado Mona Lisa, a copy made simultaneously in Leonardo's workshop while he painted the Mona Lisa, probably made by an apprentice(s):

La Joconde nue:

What is your favourite true story to tell at a party?

Source: St Petersburg. Hermitage, Russia.

Evidently there was a market for erotic paintings. The American art historian David Brown, curator of Italian Renaissance paintings at the National Gallery of Art in Washington, has suggested that da Vinci painted a saucy parody of the Mona Lisa for his patron Giuliano de Medici, and that the Salai version is a copy.

Then there are the ‘meza nuda’ paintings from his workshop, often referred to as Monna Vannas.

New Apple study challenges whether AI models truly “reason” through problems - Ars Technica

Source: Chantilly, Musée Condé, France.

For the one below, art experts suggest that it contains touches indicating that Leonardo contributed to it.

Source: Louvre, Paris, France.

Will Kamala Harris rekindle the business model of sleeping your way to the top?