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

La Joconde nue:

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

Source: Chantilly, Musée Condé, France.

My son died seven months ago at the age of 24 how do I know if he’s in heaven and can he see me and hear me and why have I not gotten any signs yet from him or Mom just not seeing the signs how do I know if he’s OK how do I know if he’s happy?

Source: Louvre, Paris, France.

Another version of the above exists, attributed to Salaj:

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.

Google's Veo 3 AI video generator is unlike anything you've ever seen. The world isn't ready. - Mashable

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

Donna Nuda:

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):

6 Things to Do Before 9 A.M. to Reduce Your Stroke Risk, According to Experts - EatingWell

Source: St Petersburg. Hermitage, Russia.

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

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

Kristin Davis Set The Record Straight On Whether She Dated Chris Noth - BuzzFeed