Cabinet inlaid with "hard stones" (pietre dure) made in Rome in the 17th century and owned for a long time by the Borghese family. They kept it until the 1820s, when it was sold to a dealer in England. Who sold it to King George IV, and it remained in the British royal family until they sold it in 1959.
It was purchased last year by the Getty for $2.8 million, and they have now put it on display. If you want to see it in fabulous detail, The History Blog has a 55 MB image file.