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| 表面の説明 | Cast bronze Ban Liang cash coin with a central square hole, bearing two archaic Chinese seal-script (Xiaozhuan) characters flanking the perforation, reading right to left as 半兩 (Ban Liang, meaning 'half ounce'). The characters are rendered in low relief with broad, slightly irregular strokes characteristic of early Western Han dynasty casting technique. The obverse field is undecorated, with no inner or outer rim raised lines, consistent with the Lü Zhi-period reduction type. The flan shows typical sand-cast surface texture with areas of patination and minor casting irregularities along the outer edge. |
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| 表面の文字体系 | ログイン して詳細を見る |
| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | Uniface reverse presenting a plain, unadorned field surrounding the central square hole, entirely devoid of inscriptions, symbols, or decorative elements. The cast surface retains its original texture with areas of reddish-brown and olive-green patination, and minor casting flaws consistent with the sand-mold production methods employed during the early Western Han dynasty. No inner or outer rim lines are present. |
| 裏面の文字体系 | ログイン して詳細を見る |
| 裏面の銘文 | ログイン して詳細を見る |
| 縁 | ログイン して詳細を見る |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | ログイン して詳細を見る |
| 追加情報 |
Lü Zhi — the Empress Dowager who effectively ruled the Han court following Liu Bang's death in 195 BC — authorized a dramatic debasement of the bronze coinage in 186 BC, reducing the half-liang standard from its nominal twelve-zhu weight down to eight zhu. The move was economic pragmatism under a regent consolidating power, not a monetary accident. Her administration produced several overlapping weight standards in quick succession, which is precisely why this type sits outside Hartill's main sequence.
The reign lasted only until her death in 180 BC, when the Liu clan moved immediately to suppress her family's influence and restabilize the currency.