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| 正面描述 | Central square hole surrounded by a raised inner rim, with four Chinese seal script characters arranged in cruciform orientation around the perforation reading 建炎通寶 (Jianyan Tongbao). The characters, executed in the archaic zhuanshu seal script style, are rendered in raised relief against a flat field. The outer rim is plain and slightly raised. The casting surface displays characteristic irregularities consistent with private unofficial production, with uneven metal flow visible in the fields. |
|---|---|
| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 建炎通寶 |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
The Jianyan reign period lasted only four years, covering the traumatic opening of the Southern Song — the moment when Jurchen Jin forces sacked Kaifeng, captured the Huizong and Qinzong emperors, and drove the court south. Emergency fiscal conditions during this collapse spawned a chaotic mixture of official and unofficial casting, and privately cast examples like this one circulated freely when state mint output could not keep pace with demand.
Private casting of Song cash is identified through characteristic irregularities in flan preparation and casting channel remnants that official pieces lack.