Take the foreign exchange quotation of 65438+2020 1 October 3rd as an example,1USD =6.97 15 RMB. The maximum denomination of US dollar issue is 100 USD. Other dollar bills are 1, 2, 5, 10, 20, 50. Coins are 1 cent, 5 cents, 1 cent, 25 cents, 50 cents and1dollar.

The main scene pattern on the front of the US dollar bill is a person's head, and the main color is black. The main landscape pattern on the back is architecture, and the main color is green, but there is little difference between different versions, such as the back of 1934 is dark green, the back of 1950 is grass green, and the back of 1963 is dark green.

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In American history, the heads of six famous presidents have appeared in these six denominations. Coins issued before 20 13 are the old version, and the new version was issued on 20 13. The design of 1 cent is a profile portrait of the famous President Lincoln in American history, which was released on the occasion of Lincoln's birthday100th anniversary (1909).

The competent department for issuing US dollars is Congress, and the Federal Reserve Bank is responsible for the specific issuance business. After World War II, continental European countries reached an agreement with the United States to use US dollars for international payments. Since then, the dollar has been widely used as a reserve currency in countries outside the United States, and eventually became an international currency.

Baidu Encyclopedia-USD

State administration of foreign exchange-central parity of RMB exchange rate