Almost 30 years ago, Anthony Ayers spotted a dusty, wood-panel painting tucked behind an armoire in an antique shop. Over the decades, he and the group of people that helped him buy it have been on a quest to prove it was painted by Renaissance artist Raphael. WSJ’s Kelly Crow reports on a possible break in the case and the technology that brought it about.

Further Reading:

- Is This Painting a Raphael or Not? A Fortune Rides on the Answer 

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