CHINA, Northern Sung Dynasty, iron and copper cash coins, Shao Sheng, (A.D.1094-98) (Sch.597); Yuan Fu, (A.D.1098-1101) (cf Sch.605); Sheng Sung, (A.D.1101-26) (cf Sch.618); Chung Ning, (1102-07) (Sch. 619-622, cf 622, Sch.623, cf 623). In 2 x 2 holders with collector's descriptions. Fine - very fine. (9)