'Sleepers' - Misattributed Old Masters Paintings And The Sharp-Eyed Observers Who Spot Them

For example, in 2015 a small New Jersey auction house offered for a few hundred dollars what it thought was an anonymous 19th-century painting; Bertrand Talabardon was pretty sure it was an early Rembrandt - and he was right. Nina Siegal looks at the 'sleeper' phenomenon and the culture around so-called "sleeper-spotters."