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| 表面の説明 | Cast bronze coin with a central square perforation, surrounded by a plain inner rim. Four Chinese characters in clerical script (lishu) are arranged in cruciform fashion around the central hole, reading top-to-bottom and right-to-left: 開 (Kai), 元 (Yuan), 通 (Tong), 寶 (Bao). The characters are boldly rendered in raised relief against a flat field, with well-defined strokes typical of the Tang dynasty Kaiyuan Tongbao coinage. The outer rim is raised and moderately broad, enclosing the entire design. |
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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 | ログイン して詳細を見る |
| 裏面の文字体系 | Chinese (traditional, regular script) |
| 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 |
The "Xiang" mint mark beneath the square hole identifies this piece as a product of Xiangzhou, in modern Hunan province. Kaiyuan Tongbao coinage was introduced in 621 under Tang Taizong and became so dominant that it effectively displaced earlier weight-based denomination systems — the cash piece itself was recalibrated against the Kaiyuan standard for centuries afterward. By the period this example was struck, the Tang court had already weathered the catastrophic An Lushan Rebellion and was hemorrhaging provincial authority to autonomous military governors, many of whom operated their own mints with decreasing oversight from Chang'an.