The article mentioned an early studio copy made with the same materials and pigments by a student of Leonardo's, restored in 2013. For anyone curious: https://u

The article mentioned an early studio copy made with the same materials and pigments by a student of Leonardo's, restored in 2013. For anyone curious: https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Gioconda_%28copia_del_Museo_del_Prado_restaurada%29.jpg/800px-Gioconda_%28copia_del_Museo_del_Prado_restaurada%29.jpg https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Gi...