NEW YORK, NY.- Christie's announced the sale of Antiquities on June 10, which will offer over 150 lots with a stunning selection of Roman marbles, Greek helmets and vases, and Egyptian art. The highlight of the sale is a rare Roman marble relief from...

A late Roman sardonyx cameo portrait of the Emperor Constantine. Circa early 4th-Century A.D. Estimate: $150,000-250,000. Photo: Christie's Images Ltd. 2009. NEW YORK, NY.- Christie’s will present two sales of ancient art, Antiquities and Ancient Jewelry,...