Ichibugin

The Ichibugin (一分銀) was a monetary unit of Japan. The Ichibugin was worth a Quarter Ryo, and later, it was deemed that 3 could be exchanged for either a USA or Mexican Silver Dollar.[1] The Ichibugin was made of Silver with trace amounts of gold and other elements.

A silver Ichibugin.

Mintage
Name Production Dates Composition[2] Specified Weight Number Minted

[3]

Tenpo Ichibugin Tenpo year 8 – to Ansei year 1
（1837–1854）		 Gold 0.21%/Silver 98.86%/Various 0.93% 8.62 grams 19,729,139両
（78,916,556枚）
Ansei Ichibugin Ansei year 6 – Meiji year 1
（1859–1868）		 Gold 0.07%/Silver 89.36%/Various 10.57% 8.62 grams 25,471,150両
（101,884,600枚）[4]
Kaheishi Ichibugin Meiji 1–2
（1868–1869）		 Gold 0.09%/Silver 80.66%/Various 19.25% 8.62 grams 1,066,833両2分
（4,267,334枚）

See also

Notes
  1. The Japanese Economy in the Tokugawa Era, 1600–1868 edited by Michael Smitka p.242
  2. 甲賀宜政 『古金銀調査明細録』 1930年
  3. 『新旧金銀貨幣鋳造高并流通年度取調書』 大蔵省、1875年
  4. 28,480,900両（113,923,600枚）の記録もあり。小葉田淳 『日本の貨幣』 至文堂、1958年、『新旧金銀貨幣鋳造高并流通年度取調書』
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