China, 1068-1077 AD., Northern Song dynasty, emperor Shen Zong, 1 Cash, Hartill 16.171.

China, Northern Song dynasty (960-1127 AD.), emperor: Shen Zong (Shen Tsung) (1068-1085 AD.), reign title: Hsi Ning (Xi Ning) (1068-1077 AD.), issued 1068-1077 AD.,
1 Cash (24,5 mm / 3,20 g), cast, square center hole,
Obv.: ( 熈 寧 元 寳 ) , Hsi Ning Yuan Bao (written in seal script), Bao with long side strokes.
Rev.: plain (square center hole).
Schjöth 529 ; Hartill 16.171 (rarity 15, very common) .