China, 960-976 AD., Northern Song dynasty, emperor Tai Zu, 1 Cash, Hartill 16.3.

China, Northern Song dynasty (960-1127 AD.), emperor: Tai Zu (T'ai Tsu) (960-976), reign title: Song Yuan (960-976), issued 960-976 AD.,
1 Cash (24,5 mm / 3,04 g), cast, square center hole,
Obv.: 宋 元 通 寳 , Song Yuan Tong Bao, top-down-right-left around square center hole, Li script, long Tong and Bao, rounded Bei, left shoulder Yuan.
Rev.: plain (square center hole).
Schjöth 451 var. ; Hartill 16.3 (rarity 15, very common) .

Emperor Tai Zu (960-976) was the first emperor of the Song Dynasty and established its capital at Kaifeng in Henan. Coins were cast in very large quantities. Song Yuan, meaning "inauguration of the Song", commemorating the establishment of the Song dynasty.