Combo photo taken on Oct. 10, 2012 shows the ancient coins of the Han Dynasty (202 BC - AD 220) (L), the Qing Dynasty (1644-1911) (R, up) and the Song Dynasty (960-1297) (R, bottom) at the Ancient Coins Museum in Xiji County, northwest China's Ningxia Hui Autonomous Region, Oct. 10, 2012. (Xinhua/Peng Zhaozhi)