Head Ornament, Warring States period (475–221 B.C.). Gold, turquoise, and carnelian, Diam. ⅛–¼ in. (0.3–0.6 cm). Excavated in 2008–9, tomb no. 16, Majiayuan, Zhangjiachuan, Gansu Province. Photo: Courtesy Gansu Provincial Institute of Cultural Relics and Archaeology, Lanzhou