Shuza (朱座) was the Tokugawa shogunate's officially sanctioned cinnabar monopoly or cinnabar guild (za)[1] which was created in 1609.[2]

Initially, the Tokugawa shogunate was interested in assuring a consistent value in minted coins; and this led to the perceived need for attending to the supply of cinnabar.

This bakufu title identifies a regulatory agency with responsibility for supervising the handling and trading of cinnabar and for superintending all cinnabar mining and cinnabar-extraction activities in Japan.[3]

See also


  1. Jansen, Marius. (1995). Warrior Rule in Japan, p. 186, p. 186, at Google Books, citing John Whitney Hall. (1955). Tanuma Okitsugu: Forerunner of Modern Japan.
  2. Takekoshi, Yosaburo. (1930). The Economic Aspects of the History of the Civilization of Japan, p. 238; Schaede, Ulrike. (2000). Cooperative Capitalism: Self-Regulation, Trade Associations, and the Antimonopoly Law in Japan, p. 223.
  3. Hall, John Wesley. (1955) Tanuma Okitsugu: Forerunner of Modern Japan, p. 201.


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