Nude mona lisa after the lost original of leonardo ? this painting was supposed to originate from leonardo's workshop. Some experts claim that this picture was painted after leonardo's original – parody of mona lisa – made for his patron giuliano de' medici. Object Type: drawing. Genre: nude. Date: circa 1515. Dimensions: height: 72.4 cm (28.5 in); width: 54 cm (21.2 in). Medium: black chalk on brown paper. Collection: Condé Museum. Monna Vanna, Cartoon, musee Conde