Catalog
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| Issuer | Japan |
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| Year | 1863-1868 |
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| Composition | Log in to see details |
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| Shape | Round with a square hole |
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| Obverse description | Round cast copper-alloy coin featuring a central square perforation framed by a raised square border. Four large Chinese characters rendered in cursive (sōsho) script are arranged in the traditional four-quadrant layout around the central hole: 文 (Bun) above, 永 (ei) to the right, 寶 (hō) to the left, and 久 (kyū) below, reading clockwise to form the era-name legend 文久永寶 (Bunkyū Eihō), meaning 'Eternal Treasure of the Bunkyū Era.' The broad, wide rim (kōkaku katsuen) is a distinguishing feature of this mother-coin (bosen) pattern. The overall style is consistent with late Edo-period cast coinage used as a casting matrix. |
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| Obverse lettering | 攵 寶 永 久 (Translation: Eternal money of the Bunkyū Era) |
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| Edge | Plain |
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