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BIBLIOGRAPHY

"Old Book of Tang," Vol. 48, Treatise on Food and Money, Part 1 (Kaiyuan Tongbao)

Liu Xu et al., "Old Book of Tang" (Wikisource); Wangye Museum

Claims Supported by This Source

  1. In the seventh month of the fourth year of the Wude era, the Wu Zhu coin was abolished and the Kaiyuan Tongbao was introduced. Diameter: 8 fen; weight: 2 zhu 4 lei. Ten coins equaled one liang; one thousand coins equaled six jin and four liang.
  2. The inscription was composed and written by Ouyang Xun, a Gentleman Attendant, and was praised at the time for its skill. It was popularly read as "Kaitong Yuanbao."
  3. Ten coins (wen) equaled the weight of one liang, and one coin (wen) equaled the weight of one qian (Explanation from the Wangye Museum in Shenzhen, via Google Arts & Culture).

How to read the verification levels. 'Read' means the material was read in its entirety. 'Bibliography and abstract confirmed' means the bibliographic information and abstract were verified. 'Via course material' means the source was referenced through the main text of a book or a country's monetary history. The text hash is the SHA-256 of the main text from the original source page, excluding tags and whitespace, used to detect if the material has been altered.