Ichibuban
The Ichibuban (一分判) (lit: "one gold bu") was a monetary unit of Japan. The Ichibuban was a gold coin that was worth a quarter of a Koban. The gold Ichibuban of 1714 (佐渡一分判金) had a weight of 4.5 g, with 85.6% of gold and 14.2% of silver.
Ichibuban

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- Field
- gold coin
- Region
- Tokugawa shogunate
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Documentary summary
The Ichibuban (一分判) (lit: "one gold bu") was a monetary unit of Japan. The Ichibuban was a gold coin that was worth a quarter of a Koban. The gold Ichibuban of 1714 (佐渡一分判金) had a weight of 4.5 g, with 85.6% of gold and 14.2% of silver.
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wikidata · Q2090145 · wikipedia · Ichibuban
In this article
Gold Ichibuban (一分判金)
Gold Ichibuban (一分判金)
The silver Ichibuban from 1837 to 1854 (Tenpō Ichibugin, 天保一分銀, "Old Ichibuban") weighed 8.66 g, with an alloy of 0.21% gold and 98.86% silver. The Nibuban (二分判) was worth double the Ichibuban, and half a Koban and was also a rectangular coin.
• Illustration — Keichō Ichibuban • Illustration — Kyōhō Ichibuban • Illustration — Genbun Ichibuban • Illustration — Bunsei Ichibuban • Illustration — Tenpō Ichibuban

Counterfeit 2buban
As6022014
Chronology
Dated record
Chronology
The full dated record · 2 entries
1601
Ichibuban first recorded.
1601
Ichibuban began in 1601.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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