China, 1086-1093 AD., Northern Song dynasty, emperor Zhe Zong, 1 Cash, Hartill 16.275.

China, Northern Song dynasty (960-1127 AD.), emperor: Che Tsung (Zhe Zong) (1086 - 1100 AD.), reign title: Yuan Yu (1086-1093 AD.), issued 1086-1093 AD.,
1 Cash (25 mm / 3,71 g), cast, square center hole,
Obv.: ( 元 祐 通 寳 ) , Yuan You Tong Bao, clockwise written in running script, small bei.
Rev.: plain (square center hole).
Schjöth 567 var. ; Hartill 16.275 (rarity 15, very common) .