China, 1064-1067 AD., Northern Song dynasty, emperor Ying Zong, 1 Cash, Hartill 16.156.

China, Northern Song dynasty (960-1127 AD.), emperor: Ying Zong (reign 1064-67 AD.), reign title: Zhi Ping (Ji Ping) (1064-67 AD.), issued 1064-67 AD.,
1 Cash (24-24,5 mm / 3,46 g), cast, square center hole,
Obv.: ( 治 平 元 宝 ) , Zhi Ping Yuan Bao, clockwise seal script; large characters.
Rev.: plain (square center hole).
Hartill 16.156 (rarity 15, very common) ; FD 937 ; Schjöth 519 .