China, 1056-1063 AD., Northern Song dynasty, emperor Ren Zong, 1 Cash, Hartill 16.154.

China, Northern Song dynasty (960-1127 AD.), emperor: Ren Zong (Jen Tsung, Renzong) (reign 1022 - 63 AD.), reign title: Jia You (1056-1063 AD.), issued 1056-1063 AD.,
1 Cash (25,5-26 mm / 4,34 g), cast, square center hole,
Obv.: 嘉 祐 通 寳 , Jia You Tong Bao (Chia Yu T'ung Pao), regular script, top-beneath-right-left of central hole; small Jia.
Rev.: plain (square center hole).
Hartill 16.154 (rarity 15, very common) ; Schjöth 517 .