Banknotes of the Japanese yen
The banknotes of the Japanese yen are part of the physical form of Japan's currency. The issuance of the yen banknotes began in 1872, two years after the currency was introduced. Throughout its history, the denominations have ranged from 0.05 yen to 10,000 yen.
Enten controversy
The Enten controversy involved Kazutsugi Nami, the chairman of Tokyo bedding supplier Ladies & Gentlemen (L&G), arrested by Japanese police on 5 February 2009. He and twenty-one other executives were accused of defrauding 37,000 investors of at least 126 billion yen (approximately US$1.4 billion) between 2001 and 2009. Nami is the inventor of a quasi-currency, "Enten", which he used to attract investors. Some sources put the total amount of the money involved as high as 226 billion yen, which would make it, if proven, to be the biggest investment fraud in Japanese history since Toyota Shoji, an investment group, defrauded investors of 202.5 billion yen in the late '80s.