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.
Chiang Mai Initiative
Japan possesses the second largest foreign exchange reserves. It became the second country to reach US$1 trillion in reserves in February 2008. In contrast to China, which places "stringent" control on its currency, the Japanese government has not placed any control on the yen since 2004. The reserves reached US$1.06 trillion in October 2009.