A Group of Five Archaic Agate `Xi` and `Heng` Pendants, Spring Autumn Period (770-476 BC)春秋时期 玛瑙觿及珩一组五件The well-polished, greyish-white agate in the form of ‘Xi’ and ‘Heng’, the serpentine shape cut with facets, square on one end and pointed on the other, a hole drilled in the centre;box 1.5 x 11.7 x 4.3 in (3.8 x 29.8 x 10.8 cm), longest length 3.7 in — 9.4 cmProvenance:Florence and Herbert Irving CollectionMr. Loo, San Francisco Private Collection来源：欧云伉俪珍藏旧金山卢氏私人珍藏Note:Compare with examples from Christie’s New York, March 18, 2015, lots 583 and 584 (formerly the Collection of Robert Hatfield Ellsworth; and the Palace Museum, Beijing, accession number 00150951类似工艺请参考纽约佳士得2015年3月18日，拍品编号583及584，（原为安思远旧藏）北京故宫博物院，编号：新00150951Estimate: $1,000—2,000