was the Tokugawa shogunate's officially sanctioned gold monopoly or gold guild (za)Jansen, Marius. (1995). , citing John Whitney Hall. (1955). Tanuma Okitsugu: Forerunner of Modern Japan. which was created in 1595.Schaede, Ulrike. (2000). Cooperative Capitalism: Self-Regulation, Trade Associations, and the Antimonopoly Law in Japan, p. 223. Initially, the Tokugawa shogunate was interested in assuring a consistent value in minted gold coins; and this led to the perceived need for attending to the supply of gold.
This bakufu title identifies a regulatory agency with responsibility for supervising the minting of gold coins and for superintending all gold mines, gold mining and gold-extraction activities in Japan.Hall, John Wesley. (1955) Tanuma Okitsugu: Forerunner of Modern Japan, p. 201.
See also Bugyō Kinzan-bugyō Ginza – Silver za (monopoly office or guild). Dōza – Copper za (monopoly office or guild). Shuza – Cinnabar za (monopoly office or guild)
References
Hall, John W. (1955). Tanuma Okitsugu, 1719–1788: Forerunner of Modern Japan. Cambridge: Harvard University Press. OCLC 445621 Jansen, Marius B. (1995). Warrior Rule in Japan. Cambridge: Cambridge University Press. ; OCLC 422791897 Schaede, Ulrike. (2000). Cooperative Capitalism: Self-Regulation, Trade Associations, and the Antimonopoly Law in Japan. Oxford: Oxford University Press. ; OCLC 505758165