A 500-year-old sketch of a bearded man was on Thursday revealed to be one of only two surviving portraits of Renaissance artist Leonardo da Vinci made during his lifetime. The drawing, believed to have been made by an assistant, is…
A 500-year-old sketch of a bearded man was on Thursday revealed to be one of only two surviving portraits of Renaissance artist Leonardo da Vinci made during his lifetime. The drawing, believed to have been made by an assistant, is…