Ichibukin, more commonly known as Bu, were small silver coins used for commerce in Rokugan. Five bu were equal to one koku, [1] while one bu could be broken down into ten copper zeni. [2] One ichibukin could purchase one bushel of rice, as five bushels were considered to be worth one koku. [1]


  1. 1.0 1.1 Legend of the Five Rings; Third Edition, p. 38
  2. Legend of the Five Rings; Fourth Edition, p. 199

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