A painting bought for $19,000 by a Canadian dealer two years ago has been valued at $150 million after it was determined to be a work by Leonardo Da Vinci. Carbon dating and infrared techniques convinced experts that the portrait on vellum was a genuine Da Vinci. The final proof came when analysis found a fingerprint "highly comparable” to one on the artist's painting, St. Jerome. [...] The portrait is the first major Da Vinci find in more than a century.
We want to hear what you think about this article. Submit a letter to the editor or write to email@example.com.