Lot Essay
Compare with a similar but longer (25.7 cm. long) greyish-black jade hair pin from the Yangshao Culture discovered at Youfeng, Wugong County, Shaanxi province, which is now in the Museum of School of Archaeology and Meseology, Northwest University, and is illustrated in The Complete Collection of Unearthed Jades in China, Beijing, 2005, p. 4 (fig. 1).