was the Tokugawa shogunate's officially sanctioned copper monopoly or copper guild (''Za (guilds), za'') which was created in 1636 and (1701–1712, 1738–1746, 1766–1768).
Initially, the Tokugawa shogunate was interested in assuring a consistent value in minted copper coins; and this led to the perceived need for attending to the supply of copper.
This ''bakufu'' title identifies a regulatory agency with responsibility for supervising the minting of copper coins and for superintending all copper mines, copper mining and copper-extraction activities in Japan.
[Hall, John Wesley. (1955) ''Tanuma Okitsugu: Forerunner of Modern Japan,'' p. 201.]
See also
* Bugyō
* Kinzan-bugyō
* ''Kinza'' – Gold ''za'' (monopoly office or guild).
* ''Ginza'' – Silver ''za'' (monopoly office or guild).
* ''Shuza'' – Cinnabar ''za'' (monopoly office or guild)
Notes
References
* John Whitney Hall, 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* Ulrike Schaede, Schaede, Ulrike. (2000). ''Cooperative Capitalism: Self-Regulation, Trade Associations, and the Antimonopoly Law in Japan''. Oxford: Oxford University Press.
OCLC 505758165* Shimada, Ryuto. (2005)
''The Intra-Asian Trade in Japanese Copper by the Dutch East India Company''.Leiden: Brill Publishers.
OCLC 62755669
Government of feudal Japan
Officials of the Tokugawa shogunate
Copper
Economy of feudal Japan
Metals monopolies
1636 establishments in Japan
Guilds in Japan
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