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==History==
==History==
[[File:Toi_gold_mine.jpg|thumb|left|Gold mines accross Japan, such as the [[Toi gold mine]] (''pictured'') provided the material for the coinage.]]
[[File:Toi_gold_mine.jpg|thumb|left|Gold mines across Japan, such as the [[Toi gold mine]] (''pictured'') provided the material for the coinage.]]
The establishment of Tokugawa coinage followed a period in which Japan was dependent on [[Chinese]] bronze coins for its currency.<ref name="Metzler p.15">Metzler p.15</ref> Tokugawa coinage lasted for more then two centuries, and ended with the events of the [[Boshin war]] and the establishment of the [[Meiji restoration]].
The establishment of Tokugawa coinage followed a period in which Japan was dependent on [[Chinese]] bronze coins for its currency.<ref name="Metzler p.15">Metzler p.15</ref> Tokugawa coinage lasted for more then two centuries, and ended with the events of the [[Boshin war]] and the establishment of the [[Meiji restoration]].



Revision as of 17:48, 21 August 2009

Main coins of Tokugawa coinage. A large ovoid gold Koban, under it a small gold Ichibuban, top right a silver Ichibuban, under it a silver Isshuban and a bronze round Mon.

Tokugawa coinage was a unitary and independent metallic monetary system established by Shogun Tokugawa Ieyasu in 1601 in Japan, and which lasted throughout the Tokugawa period until its end in 1867.[1]

History

Gold mines across Japan, such as the Toi gold mine (pictured) provided the material for the coinage.

The establishment of Tokugawa coinage followed a period in which Japan was dependent on Chinese bronze coins for its currency.[1] Tokugawa coinage lasted for more then two centuries, and ended with the events of the Boshin war and the establishment of the Meiji restoration.

A Tenshō Ōban (天正大判), made in 1588 by Hideyoshi.

The first attempt at a new currency were made by Hideyoshi, who developed the the large Ōban plate, also called the Tensho Ōban (天正大判), in 1588.[2]

From 1601, Tokugawa coinage consisted in gold, silver, and bronze denominations.[1] The denominations were fixed, but the rates actually fluctuated on the exchange market.[1]

The material for the coinage came from gold and silver mines accross Japan. To this effect, gold mines were newly openned and exploited, such as the Sado gold mine or the Toi gold mine in Izu Peninsula.

Initially, the coinage was used essentially for export purposes in order to pay for imports of luxury goods from China, such as silk.[1] With the beginning of the 18th century, Japan started to restrict the export of bullion currency, which came to be seen as a loss for the country. An export ban on monetary specie was imposed by Arai Hakuseki in 1715.[1] Trade substitution was encouraged, but remained limited anyway due to the policy of closure, or Sakoku.

Structure

Keichō gold coinage: Ōban, Koban, Ichibuban, 1601-1695.

Tokugawa coinage worked according to a triple monetary standard, using gold, silver and bronze coins, each with their own denominations.[1] The systems worked by multiples of 4, and coins were valued according to the Ryō. One Ryō was worth 4 Bu, 16 Shu, or 4,000 Mon (a cheap bronze coin).

Ōban

The Ōban (大判) was a very large gold coin plate, equivalent to ten Ryōs, or ten Koban (小判) plates.

Koban

The Koban (小判) was a regular ovoid gold coin, equivalent to one Ryō. The initial Keichō Koban (minted from 1601) had a weight of 18.20g. The 1714 Sado Koban (佐渡小判金, 4th year of Shōtoku) also had a weight of 18.20g and was made with an alloy of typically 85.69% of gold and 14.25% of silver.[3]

Nibuban and Ichibuban

A Tenpō silver Ichibuban (1837-1854).

The Nibuban (二分判) was worth half a Koban and was rectangular gold coin.

The Ichibuban (一分判) could be either made of silver or gold, in which case it was a quarter of a Koban. The gold Ichibuban of 1714 (佐渡一分判金) had a weight of 4.5 g, with 85.6% of gold and 14.2% of silver. The silver Ichibuban from 1837 to 1854 (Tenpō Ichibugin, 天保一分銀 , "Old Ichibuban") weighed 8.66 g, with an alloy of 0.21% gold and 98.86% silver.[3]

Nishuban and Isshuban

There were then Nishuban (二朱判) and Isshuban (一朱判) small denominations of silver or gold, before getting to the Mon or Sen bronze coins.

From 1853 to 1865, the silver Isshuban (Kaei Isshugin, 嘉永一朱銀) weighed 1.88 g, with an alloy of 1.7% gold, 98.7% silver and 1.12% copper.[3]

Demise

From 1772, the silver coins had a denomination in function of their value in gold, as had significantly less silver than their face value (rather than being just silver-by-weight) so as to cover coinage expenses, a practice known as token or fiduciary coinage, and a characteristic of modern coinage.[4] This technique was introduced later in England, in 1816, with its adoption of the full gold standard.[4] At the market rates of 1858, in weight, 10 silver units could be exchanged for 1 gold units, whether at face value, 5 silver units claimed the value of 1 gold unit. This permitted an increase of monetary circulation without actual production of more bullion, and provided great profit (seigniorage) for the Bakufu.[4]

A Koban box (called Senryōbako, or "Box of 1,000 ryō"), used for transportation.

World ratios for silver and gold were significantly different, gold being generally value much higher than silver, at about 15 to 16 weights of silver for 1 weight of gold. This difference motivated foreigners to bring silver to Japan, to exchange it for gold at a very interesting rate.[5]

In 1858, Western countries, especially the United States, France and Great Britain imposed through "unequal treaties" (Treaty of Amity and Commerce") free trade, free monetary flow, and very low tariffs, effectively taking away Japanese control of its foreign exchange:[5] The 1715 export embargo on bullion was thus lifted:

"All foreign coin shall be current in Japan and pass for its corresponding weight of Japanese coin of the same description... Coins of all description (with the exception of Japanese copper coin) may be exported from Japan"

— Treaty of Amity and Commerce, 1858, extract[6]
A Keichō koban (minted 1601-1695), versus a Man'en koban (minted 1860-1867), shows the drastic reduction in gold weight of the koban denomination.

This created a massive outflow of gold from Japan, as foreigner rushed to exchange their silver for "token" silver Japanese coinage and again exchange these against gold, giving a 200% profit to the transaction. In 1860, about 4 million ryōs thus left Japan,[5] that is about 70 tons of gold. This effectively destroyed Japan's gold standard system, and forced it to return to weight-based system with International rates. The Bakufu instead responded to the crises by debasing the gold content of its coins by two thirds, so as to match foreign gold-silver exchange ratios.[5]

As a consequence, the Bakufu lost the major profit source of recoinage (seniorage), and was forced to issue unbacked paper money, leading to major inflation. This was one of the major causes of discontent during the Bakumatsu period, and one of the causes of the demise of the Shogunate.[5]

Other coins

Despite Tokugawa Ieyasu's strong will to unify the currency, there were still some local exceptions, with locally made currency.

Notes

  1. ^ a b c d e f g Metzler p.15
  2. ^ The Cambridge History of Japan: Early modern Japan by John Whitney Hall p.61 [1]
  3. ^ a b c Toi Museum
  4. ^ a b c Metzler, p.16
  5. ^ a b c d e Metzler, p.17
  6. ^ Quoted in Metzler, p.17

Bibliography

  • Mark Metzler (2006). Lever of empire: the international gold standard and the crisis of liberalism in prewar Japan. Vol. Volume 17 of Twentieth Century Japan: The Emergence of a World Power. University of California Press. ISBN 0520244206. {{cite book}}: |volume= has extra text (help)