北宋时期大观通宝十文。重17.63克。瘦金体。正面:大观通宝,背空白。CHINA. Northern Song Dynasty. 10 Cash, ND (ca. 1107-10). Emperor Hui Zong (Da Guan). VERY FINE Details.Hartill-16.426; FD-1062; S-630. Weight: 17.63 gms. Variety with Slender gold script. Obverse: Da Guan Tong Bao"; Reverse: Blank.