1986年9月,笔者在宁夏南部山区西吉县支教期间,收集到一些北宋铁钱。西吉建县于1942年。现在新西吉县是1958年10月从宁夏的固原、隆德、甘肃的静宁三县划拨而建的。据《宋史·地理志》,西吉在北宋时东南部属高平寨(今固原县)、西北部属西安州(今海原县)。宋夏抗衡时,这里为边境地带,双方曾交错占领。北宋庆历年间(公 In September 1986, during the period of teaching in Xiji County, a mountainous area in southern Ningxia, the author collected some money from the Northern Song Dynasty. Xijian County in 1942. Xinxiji County is now in October 1958 from Ningxia, Guyuan, Lund, Gansu Jingning three counties allocated. According to the “History of the Sung Dynasty Geography”, Xiji in the Northern Song Dynasty southeast of Gaopingzhai (now Guyuan County), northwest of Xi’an (now Haiyuan County). In the contend of Song Xia, here is the frontier zone, the two sides had staggered occupation. Northern Song Qing calendar years (male