UV and IR photography. The painting has been partially overpainted and retouched on several places, but not in the area where the signature is located. Click on images below to enlarge. Several high resolution images are available upon request.
Roman emperor Domitian, Leonardo da Vinci, Titian, Tizian, Tiziano Vecellio, Roman emperors, Eleven Caesars, Undici Cesari, Domitianus, Isabella d’Este, Federico II Gonzaga, Mantova, Mantua, Italy, Francis I, Amboise France, Charles I England.