**ALL ROUND PICTURES FROM SOLARPIX.COM** **SYNDICATION RIGHTS FOR SPAIN, PORTUGAL & DUBAI (U.A.E) ONLY** Marie Antoinette's Pearls, a historically important natural pearl, diamond and ruby necklace, is estimated to realise between £350,000 and £400,000 at Christies sale on Wednesday 12 December. Picture date 27th September 2007 JOB REF: 4857 NLA DATE: 27_09_2007 *UNDER NO CIRCUMSTANCES IS THIS IMAGE TO BE REPRODUCED FOR ANY ONLINE EDITION WITHOUT PRIOR PERMISSION*