960-976CE, Northern Song Dynasty, Song Yuan Tong Bao (1 Cash)

Obverse

Four Chinese ideograms read top to bottom, right to left (in Clerical script).

Script: Chinese (traditional, clerical script)

Lettering:
　宋
寶　通
　元

Translation:
Song Yuan Tong Bao
Inaugurale Song / Universal currency

Reverse

Line to right of hole

Weight: 4.08g

Diameter: 24mm

Harthill #16.2k