Found Treasure? Secret Writing and Code Leads Scholar to the Possible Discovery of Leonardo da Vinci’s First Work

In June of 2018, it was announced that a small 15th century tile depicting the Archangel Gabriel could be the work of Leonardo da Vinci.  If verified, this decorative tile would be the earliest known work of the famed Italian polymath of the Renaissance. The 20×20 cm square image, also …