page_title: Ichibuban
hierarchical_section_title: Ichibuban
caption_attribution_description: English: Tokugawa_coinage_Ichibugin
context_page_description: The Ichibuban was a monetary unit of Japan. The Ichibuban could be either made of silver or gold, in which case it was a quarter of a Koban.
  The gold Ichibuban of 1714 had a weight of 4.5 g, with 85.6% of gold and 14.2% of silver. The silver Ichibuban from 1837 to 1854 weighed 8.66 g, with an alloy of 0.21% gold and 98.86% silver.
  The Nibuban was worth double the Ichibuban, and half a Koban and was also a rectangular coin.
context_section_description: The Ichibuban (一分判) was a monetary unit of Japan. The Ichibuban could be either made of silver or gold, in which case it was 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. 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.
caption: A silver Ichibuban.
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