A finely carved marble figure of a reclining female typical of the sculpture of the Cyclades is set to be auctioned by Artemis Gallery, based in Boulder, Colorado on October 11.
The statue dating to circa 2500-2400 BCE has distinctive characteristics, known as the Spedos type, and the figure is stylistically similar to an example in The Getty museum.
Experts say that the piece is unquestionably the star of the auction of 417 lots of exceptional antiquities from Ancient Egypt, Greece and Rome.
The marble figure is expected to make $100,000-$150,000.
The highly anticipated auction, which invites absentee, phone and Internet live bidding, is a virtual timeline of the most significant civilizations of the past 4,000 years
Artemis Gallery will also auction a stunning 15.125-inch Greek Early Attic amphora, circa 530-520 BCE, with displays of captivating images of Athena, Ajax, Achilles and Herakles.