A rare Art Deco nephrite, agate, coral and enamel table clock, movement by Vacheron Constantin, case by Verger Frères, retailed by Boucheron, Paris. Photo Sotheby's The rectangular bluish-gray agate dial within nephrite supports, the rectangular base...

New York - Christie's is delighted to announce further details of its upcoming flagship auction on October 21, 2009. The day will feature two distinct sales, beginning with Jewels: The New York Sale & The Annenberg Diamond. Led by the perfect D color...