Lao kip of the Soviet collapse in 1991 and the persistence of chronic inflation, there are no coins currently in circulation in Laos. In 1979, banknotes were introduced in denominations of 1, 5, 10, 20, 50 and 100 kip. 500 kip notes were added in 1988, followed by 1000 kip in 1992, 2000 and 5000 kip in 1997, 10,000 and 20,000 kip in 2002 and 50,000 kip on January 17, 2006 (although dated 2004). On November 15, 2010 a 100,000 kip banknote was issued to commemorate the 450th anniversary of the founding of the capital, Vientiane, and the 35th anniversary of the
Korean currency when it became a floating currency, but was then immediately devalued at nearly half of its value because of the East Asian financial crisis. Korean currency Korean currency dates back as far as the Goryeo dynasty (918–1392) when the first iron coins were minted. During that period, even though some imported Chinese currency was also in circulation, commodity currency such as grain and linen continued in general circulation. It was not until the beginning of the Joseon period that copper coins were minted for wide circulation. Jeohwa (저화/楮貨), which was made of standardized mulberry-bark paper early in the Joseon period,