China, 1101-1106 AD., Northern Song dynasty, emperor Hui Zong, 1 Cash, Hartill 16.355.

China, Northern Song dynasty (960-1127 AD.), emperor: Hui Zong (reign 1101-25 AD.), reign title: Sheng Song (1101-06 AD.), issued 1101-1106 AD.,
1 Cash (24,5-25 mm / 3,52 g), cast, square center hole,
Obv.: ( 聖 宋 元 寳 ) , Sheng Song Yuan Bao (Sheng Sung Yuan Pao), clockwise, seal script, Yuan shape variant.
Rev.: plain (square center hole).
Hartill 16.355 (rarity 15, very common) ; Schjöth 607 ; FD 1017 .