Mystery of a Masterpiece
Experts investigate whether a portrait sold for about $20,000 in 1998 is a lost Leonardo.
Expired: 01/12/17Video has closed captioning.
Problems Playing Video?
Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Original funding provided by the David H. Koch Fund for Science, the Millicent and Eugene Bell Foundation, the Corporation for Public Broadcasting, and PBS Stations.