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

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

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.

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

Why do atheists always argue about the existence of suffering in the world as meaning God doesn't exist when it doesn't prove anything?

Source: Chantilly, Musée Condé, France.

Source: St Petersburg. Hermitage, Russia.

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

Have you ever lied to your family? What were the circumstances?

Source: Louvre, Paris, France.

La Joconde nue:

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):

Democrat voters, why are you so naive, easy to manipulate, can't see a liar standing right in front of you and why won't you research your party? You will find they have a plan for all W. Nations and it's evil.

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

Donna Nuda:

Another version of the above exists, attributed to Salaj:

Urban Meyer Says Big Ten's Passed SEC, Small Schools Will Be 'Feeder' Programs For Top Teams - OutKick