A smudged fingerprint has convinced art experts that a painting thought to have dated back to the early 19th century is the work of revered Italian artist Leonardo da Vinci.
CNN.com, CNN
Tue, 10/13/2009 - 8:43am
A smudged fingerprint has convinced art experts that a painting thought to have dated back to the early 19th century is the work of revered Italian artist Leonardo da Vinci.