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Bitasen

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Bitasen
Japan
Value1 Mon
EdgeSmooth
ShapeCircular
Years of minting1404–c.1625[a]
Obverse
DesignChinese characters
Reverse
DesignUsually blank

Bitasen (鐚銭) refers to a privately minted mon type coin that circulated in Japan from the middle of the Muromachi period to the early Edo period. These low quality imitation Chinese cash coins were made to aid the supply of cash coins (authentic) that flowed into Japan from China. The Japanese populance widely despised them, giving these coins the name Bitasen (鐚銭) or "bad metal" ("Bita").

History

[edit]
"Bitasen" from the late Muromachi period

In the mid-12th century, large amounts of Chinese coins called "toraisen" were introduced to Japan.[1][2] By the 13th century these coins had replaced commodity money as currency after the Kamakura shogunate's initial reluctance gave way to approval.[1] As the "mere import of coins" could not meet the needs of a growing economy, Japanese clans and wealthy merchants began to issue their own coins which are referred to as Shichūsen (私鋳銭) aka privately-minted Japanese coins.[2][3] While sources agree on the Muromachi period as a starting point for "bitasen"/"toraisen" co-circulaton there are differing opinions on an exact date. Mentions include the year 1404 by the Japan Mint, while others give a later period in the 16th century.[3][4] By definition, the word Bitasen (鐚銭) translates to "bad metal" ("Bita") or poor-quality coins with worn surfaces.[5][6] These coins were essentially imitiation money which was struck in copper with "significant" amounts of lead to match the "toraisen" cash coins already in circulation.[2][4]

Bitasen had a fluctuating value that depended on their worth relative to the "toraisen".[4] Regional markets initially made their own decisions on the bitasen's value until the shogunate established a uniform valuation that was used in every Japanese region.[4] As per their namesake, Bitasen were coins "of inferior quality" that remained in circulation for a "long time" due to an overall lack of currency available at the time.[2] This in turn took its course on Japanese consumers throughout the 15th century who were irritated by the increasing number of damaged and worn-out coins.[2] Bitasen were frequently no longer accepted at their face value due to a practice called "erizeni", in which they were sorted out in favor of "toraisen".[2] Though Chinese coins would continue to circulate in Eastern Japan, the confusion and chaos caused by the Bitasen coinage caused rice to replace copper coinage in Western Japan.[7]

Although Bitasen were officially prohibited in 1608 by the Tokugawa shogunate, these coins continued to illegally circulate. The shogunate responded to this by opening more mines for the production of copper, silver, and gold coinages.[8][9] The end for the Bitasen instead came in the form of Kan'ei Tsūhō, which was first issued in 1626. Due to the isolationist policies of the Tokugawa shogunate, the outflow of currency halted and Kan'ei Tsūhō coins would continue to stay the main coin circulating in Japan. In 1670, the Eiraku Tsūhō was completely prohibited from circulation and depreciated in favor of the government produced Kan'ei Tsūhō cash coins.[3]

Types

[edit]
Obverse Reverse Japanese name[6] Chinese name[6] Minted[6] Origin[6]
Eiraku Tsūhō[b]
Yongle Tongbao (永樂通寶)
1404 – c.1625[3][6]
Japan
Shōfu Tsūhō (天下手祥符)
Xiang Fu Tong Bao (祥符通寶)
c.1501 – c.1525
Japan
Kōbu Tsūhō (加治木銭)
Hongwu Tongbao (洪武通寶)
c.1575 – c.1625
 Kajiki, Kagoshima[c]
Heian Tsūhō (平安通宝)
None[d]
c.1600 – c.1625
Kyushu
Genyū Tsūhō (元祐通寶)
Yuan You Tong Bao (元祐通寶)
 Un­known
Japan
Katou bitasen (加刀鐚銭)
Various
 —
China[e]

Notes

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  1. ^ Bitasen circulated until 1670
  2. ^ These coins are also known as Iutsushi (鋳写し) or "cast a copy from". As the name implies, these coins are cast coinage of their Chinese counterparts.[6]
  3. ^ Present day: Aira, Kagoshima
  4. ^ This may be a Japanese copy of a Vietnamese cash coin
  5. ^ These coins originated in China and were later carved with a tool in Japan to add or modify the Chinese characters. Katou bitasen are recognized in the Japanese book Honpo Bitasen Zufu (本邦鐚銭図譜) (1982).

References

[edit]
  1. ^ a b "The History of Japanese Currency". Bank of Japan. Retrieved May 9, 2024.
  2. ^ a b c d e f Aila de la Rive. "Money in the Land of the Rising Sun I: The Copper Coins of Ancient Japan" (PDF). Money Museum. pp. 8–11. Retrieved May 9, 2024.
  3. ^ a b c d "History of Japanese Coins". Japan Mint. Retrieved May 9, 2024.
  4. ^ a b c d William E. Deal (2007). Handbook to Life in Medieval and Early Modern Japan. Oxford University Press. p. 125. ISBN 978-0-19-533126-4.
  5. ^ "鐚銭". Kotobank (in Japanese). Retrieved May 9, 2024.
  6. ^ a b c d e f g Luke Roberts (Associate Professor). "Bitasen 鐚銭". Department of History University of California at Santa Barbara. Retrieved May 9, 2024.
  7. ^ Sakurai Eiji. Chûsei no kahei shinyô (Money and Credit in Medieval Times) (in Japanese). Vol. 52. pp. 132–133.
  8. ^ Kristof Glamann. Dutch-Asiatic trade: 1620-1740. Danish Science Press. ISBN 9789400983618.
  9. ^ Hiroshi Shinjo (1962). History of the Yen: 100 Years of Japanese Money-economy. The Research Institute for Economics & Business Administration, Kobe University. ASIN B005NXGU1M.
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