Speculations about Mona Lisa he had had no access to the actual painting, said that after "every laboratory test possible" in 2004 and 2009 that "no inscriptions, letters or numbers, were discovered during the tests." and that "The ageing of the painting on wood has caused a great number of cracks to appear in the paint, which have caused a number of shapes to appear that have often been subject to over-interpretation". Speculations about Mona Lisa The 16th-century portrait Mona Lisa, or "La Gioconda" ("La Joconde"), painted in oil on a poplar panel by Leonardo da Vinci, has been the subject of a considerable
Isleworth Mona Lisa copies, and concluded that both "Mona Lisa" and the "Isleworth Mona Lisa" were original works by Leonardo. In 2016, in another academic publication, Professors Asmus, Parfenov and Elford published the results of scientific examinations that established to their satisfaction that the same artist painted the face of both the "Mona Lisa" and the "Isleworth Mona Lisa". In 2017, Gérard Boudin de l'Arche published a comprehensive historical account and stated that Leonardo painted the "Isleworth Mona Lisa" before the Louvre "Mona Lisa". Isleworth Mona Lisa The Isleworth Mona Lisa is an oil-on-canvas painting of the same subject as Leonardo da Vinci's