NORTHERN SONG: Zhi He, 1054-1055, AE 2 cash (9.24g). H-16.142. tie mu "iron mother", a pattern copper mother coin for proposed iron coin type, small natural hairline planchet crack, VF, RRR, ex Zhao Quanzhi Collection
Very rare pattern mother coin of the Song Dynasty.
Estimate: 800-1,000 USD