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| 正面描述 | Flat cast bronze disk featuring a central round perforation, with two archaic Chinese characters in raised relief disposed to the left and right of the central hole. The characters, rendered in the seal script style characteristic of the Warring States period, read 'Ban Yuan' (半圜), meaning 'half circle' or 'half cash', and are cast with boldly modelled strokes against a smooth, unadorned field. The flan exhibits an irregular, slightly uneven surface consistent with sand-cast production of the era, with a dark olive-brown patina developed over millennia. No rim decoration or border is present; the outer edge is plain and gently rounded. |
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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | Plain, uninscribed reverse presenting a smooth, flat field surrounding the central round perforation. The surface bears a deep, uniform dark brown patina with subtle casting texture characteristic of Warring States bronze production. No legend, decoration, or design element is present; the flan is entirely featureless save for minor surface irregularities inherent to the sand-casting technique. |
| 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 Ban Yuan ("half round") issues of Western Zhou occupy a peculiar corner of Warring States coinage — this minor state, a diminished rump territory centered near modern Luoyang that the Zhou royal house retained after losing effective power, was issuing its own currency largely as a matter of political face. The casting quality across this type varies considerably, with many examples showing poorly filled rims and irregular flan preparation consistent with small-scale, undercapitalized production.
Western Zhou was extinguished by Qin in 256 BC, making any issue attributable to the later end of this date range almost certainly pre-conquest.