Mate of the Mona Lisa discovered in Spain ,the picture was in the restoration workshops of the Prado Museum in Madrid .They attribute the work to a pupil of Leonardo Da Vinci , who would have painted the portrait in the studio of the Italian genius, on par with his teacher
The authorship of the work takes place between two of his favorite pupils : Andrea Salai (which was a lover of the master) and Francesco Melzi.
According to data collected by the publication The Art Newspaper , museum experts studied the works for several months.