NOMISMA
BIBLIOGRAPHY

Japanese Wikipedia, 'Currency Issues of the Bakumatsu Period'

Wikipedia (according to the sources of each article)

Claims Supported by This Source

  1. The gold-to-silver ratio was about 1:4.65 in Japan and about 1:15.3 in foreign countries.
  2. The amount of outflow is said to be between 100,000 and 500,000 ryō in half a year, but there is no consensus.
  3. Shizume (2016) states that recent research suggests the scale of the outflow was not that large.

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