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Ryō Taguchi
The was a gold currency unit in the shakkanhō system in pre- Meiji Japan. It was eventually replaced with a system based on the '' yen''. Origins The ''ryō'' was originally a unit of weight from China, the '' tael.'' It came into use in Japan during the Kamakura period. By the Azuchi–Momoyama period it had become nearly uniform throughout Japan, about 4.4 ''monme'' as a unit of weight (about the same as 16.5 grams). During the Sengoku period, various local '' daimyō'' began to mint their own money. One of the best known and most prestigious of these private coins was the ''koshukin'' issued by the warlord Takeda Shingen, who had substantial gold deposits within his territories. The value of the koshukin was based on its weight, with one ''koshukin'' equal to one ryō of gold, and thus stamped with its weight (about 15 grams). During the Tenshō period (1573–1592), one ryō was equal to four ''koku'' of rice, or 1000 brass coins. Tokugawa period The Tokugawa sho ...
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Koku
The is a Chinese-based Japanese unit of volume. 1 koku is equivalent to 10 or approximately , or about . It converts, in turn, to 100 shō and 1000 gō. One ''gō'' is the volume of the "rice cup", the plastic measuring cup that is supplied with commercial Japanese rice cookers. The ''koku'' in Japan was typically used as a dry measure. The amount of rice production measured in ''koku'' was the metric by which the magnitude of a feudal domain (''han'') was evaluated. A feudal lord was only considered ''daimyō'' class when his domain amounted to at least 10,000 ''koku''. As a rule of thumb, one ''koku'' was considered a sufficient quantity of rice to feed one person for one year. The Chinese equivalent or cognate unit for capacity is the ''shi'' or ''dan'' ( also known as ''hu'' (), now approximately 103 litres but historically about . Chinese equivalent The Chinese ''shi'' or ''dan'' is equal to 10 ''dou'' () " pecks", 100 ''sheng'' () "pints". While the current ''shi' ...
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Wadōkaichin
, also romanized as ''Wadō-kaichin'' or called ''Wadō-kaihō'', is the oldest official Japanese coinage, first mentioned for 29 August 708 on order of Empress Genmei. It was long considered to be the first type of coin produced in Japan. Analyses of several findings of ''Fuhon-sen'' (富夲銭) in Asuka have shown that those coins were manufactured from 683. Description The ''wadōkaichin'' was first produced following the discovery of large copper deposits in Japan during the early 8th century. The coins, which are round with a square hole in the center, remained in circulation until 958 CE. These were the first of a series of coins collectively called ''jūnizeni'' or .Nussbaum p. 539./ref> This coinage was inspired by the Chinese Tang dynasty coinage (唐銭) named '' Kaigen Tsūhō'' (Chinese: 開元通宝, ''Kāiyuán tōngbǎo''), first minted in Chang'an in 621 CE. The ''wadōkaichin'' had the same specifications as the Chinese coin, with a diameter of 2.4 c ...
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Japanese Mon (currency)
The was the currency of Japan from the Muromachi period in 1336 until the early Meiji period in 1870. It co-circulated with the new '' sen'' until 1891. The Kanji for ''mon'' is and the character for currency was widely used in the Chinese-character cultural sphere, e.g. Chinese wén, Korean mun, Vietnamese văn. Throughout Japanese history, there were many styles of currency of many shapes, styles, designs, sizes and materials, including gold, silver, bronze, etc. Coins denominated in mon were cast in copper or iron and circulated alongside silver and gold ingots denominated in ''shu'', ''bu'' and ''ryō'', with 4000 mon = 16 shu = 4 bu = 1 ryō. In 1869, due to depreciation against gold, the new fixing officially was set for 1 ryō/yen = 1,000 mon. The yen started to replace the old non-decimal denominations in 1870: in the 3rd quarter of 1870, the first new coins appeared, namely 5, 10, 50 sen silver and 2, 5, 10, 20 Yen. Smaller sen coins did not appear before spring, 1 ...
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Currency Museum Of The Bank Of Japan
__NOTOC__ The , formally known as the is a museum about Japanese currency located in front of the Bank of Japan building in Chūō, Tokyo. The museum opened in November 1985.Edan CorkillBank of Japan Currency Museum invests in exhibition on wallets ''Japan Times ''The Japan Times'' is Japan's largest and oldest English-language daily newspaper. It is published by , a subsidiary of News2u Holdings, Inc.. It is headquartered in the in Kioicho, Chiyoda, Tokyo. History ''The Japan Times'' was launched by ...'', 13 August 2010. In 2010, there was an exhibition of wallets from the Edo Period (1603–1867) and Meiji Era (1868–1912). Gallery File:Wadokaichin coin 8th century Japan.jpg, Wadōkaichin coin from 8th century Japan. File:Philoxenus Indo Greek square coin.jpg, Philoxenus Indo-Greek coin in the Indian square standard. File:Antialcidas Indo Greek coin.jpg, Antialcidas wearing the kausia. See also * Japanese currency * List of museums in Tokyo Referenc ...
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Meiji Restoration
The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored practical imperial rule to Japan in 1868 under Emperor Meiji. Although there were ruling emperors before the Meiji Restoration, the events restored practical abilities and consolidated the political system under the Emperor of Japan. The goals of the restored government were expressed by the new emperor in the Charter Oath. The Restoration led to enormous changes in Japan's political and social structure and spanned both the late Edo period (often called the Bakumatsu) and the beginning of the Meiji era, during which time Japan rapidly Industrialisation, industrialized and adopted Western culture, Western ideas and production methods. Foreign influence The Japanese knew they were behind the Western powers when US Commodore (United States), Commodore Matthew C. Perry came to Japan in 1853 in Black Ships, large warshi ...
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Tokugawa Yoshimune
was the eighth ''shōgun'' of the Tokugawa shogunate of Japan, ruling from 1716 until his abdication in 1745. He was the son of Tokugawa Mitsusada, the grandson of Tokugawa Yorinobu, and the great-grandson of Tokugawa Ieyasu. Lineage Yoshimune was not the son of any former ''shōgun''. Rather, he was a member of a cadet branch of the Tokugawa clan. Tokugawa Ieyasu, the founder of the Tokugawa shogunate, well aware of the extinction of the Minamoto line in 1219, had realized that his direct descendants might die out, leaving the Tokugawa family at risk of extinction. Thus, while his son Tokugawa Hidetada was the second ''shōgun'', he selected three other sons to establish the ''gosanke,'' hereditary houses which would provide a ''shōgun'' if there were no male heir. The three ''gosanke'' were the Owari, Kii, and Mito branches. Yoshimune was from the branch of Kii. The founder of the Kii house was one of Tokugawa Ieyasu's sons, Tokugawa Yorinobu. Ieyasu appointed him ''daimyō ...
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Hōei
was a after Genroku and before Shōtoku''.'' This period spanned the years from March 1704 through April 1711. The reigning emperors were and . Change of era * 1704 : In reaction to the Great Genroku earthquake in Genroku 16, the era name was changed to ''Hōei'' (meaning "Prosperous Eternity"). The previous era ended and the new one commenced in Genroku 17, on the 13th day of the 3rd month. Events of the ''Hōei'' era * October 28, 1707 (''Hōei 4, 4th day of the 10th month''): Great Hōei earthquake. The city of Osaka suffers tremendously because of a very violent earthquake. * December 16, 1707 (''Hōei 4, 23rd day of the 11th month''): An eruption of Mount Fuji; the cinders and ash fell like rain in Izu, Kai, Sagami, and Musashi. * April 28, 1708 (''Hōei 5, 8th day of the 3rd month''): There was a great fire in Heian-kyō. * May 20, 1708 (''Hōei 5, 1st day of the 4th month''): The shogunate introduces new copper coins into circulation; and each coin is marked with t ...
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Genroku
was a after Jōkyō and before Hōei. The Genroku period spanned the years from the ninth month of 1688 to the third month of 1704. The reigning emperor was .Titsingh, Isaac. (1834). ''Annales des empereurs du japon'', p. 415. The period was known for its peace and prosperity, as the previous hundred years of peace and seclusion in Japan had created relative economic stability. The arts and architecture flourished. There were unanticipated consequences when the shogunate debased the quality of coins as a strategy for financing the appearance of continuing Genroku affluence. This strategic miscalculation caused abrupt inflation. Then, in an effort to solve the ensuing crisis, the introduced what were called the Kyōhō Reforms. Change of era The was 1688. The new era name was created to mark the beginning of the reign of Higashiyama. The previous era ended and the new one commenced in Jōkyō 5, on the 30th day of the 9th month. A sense of optimism is suggested in the era ...
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Keichō
was a after ''Bunroku'' and before ''Genna''. This period spanned from October 1596 to July 1615. The reigning emperors were and . Change of era * 1596 : The era name was changed to ''Keichō'' to mark the passing of various natural disasters. The preceding era ended and a new one commenced on October 27 of the 5th ''Bunroku''. Events of the ''Keichō'' era * 1596 (''Keichō 1''): ''Keichō'' Invasion (invasion of Korea). * September 18, 1598 (''Keichō 3, 18th day of the 8th month''): Toyotomi Hideyoshi died in his Fushimi Castle at the age of 63.Titsingh p. 405./ref> * October 21, 1600 (''Keichō 5, 15th day of the 9th month''): Battle of Sekigahara. The Tokugawa clan and its allies decisively vanquish all opposition. * January 15, 1602 (''Keichō 7, 24th day of the 11th month''): A fire at the Hōkō-ji temple complex in Kyoto was caused by careless workmen; and the great image of the buddha and the structure housing the statue (the Daibutsu-den) were consumed by th ...
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Debasement
A debasement of coinage is the practice of lowering the intrinsic value of coins, especially when used in connection with commodity money, such as gold or silver coins. A coin is said to be debased if the quantity of gold, silver, copper or nickel in the coin is reduced. Example In Roman currency, the value of the denarius was gradually decreased over time as the Ancient Rome, Roman government altered both the size and the silver content of the coin. Originally, the silver used was nearly pure, weighing about 4.5 grams. From time to time, this was reduced. During the Julio-Claudian dynasty, the denarius contained approximately 4 grams of silver, and then was reduced to 3.8 grams under Nero. The denarius continued to shrink in size and purity, until by the second half of the third century, it was only about 2% silver, and was replaced by the Argenteus. Effects Debasement lowers the intrinsic value of the coinage and so more coins can be made with the same quantity of pr ...
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