The United States one-dollar bill (US$1), sometimes referred to as a single, has been the lowest value denomination of United States paper currency since the discontinuation of U.S. fractional currency notes in 1876.

The United States dollar (symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

Explore security and design features of the $1 note, issued 1963-present. In order to finance the Civil War, Congress authorizes the U.S. Department of the Treasury to issue non-interest-bearing Demand Notes. These notes earn the nickname “greenbacks” because of their color.

The Federal Reserve Board currently issues $1, $2, $5, $10, $20, $50, and $100 notes. Click on the notes below to learn more about their design and security features. Each note includes security and design features unique to how the denomination is used in circulation.

$1 Note. Issued 1963 - Present. All U.S. currency remains legal tender, regardless of when it was issued. Why has the design of the $1 note remained the same since the note was issued in 1963? The United States government redesigns Federal Reserve notes primarily for security reasons: to stay ahead of counterfeiting threats and

1 天前 · 1 Dollar = 100 cents 标志 US$ 美元是世界上使用最广泛的货币。多个国家使用美元作为它们的法定货币，还有更多的国家允许美元自由流通。美元也常被称作buck或者greenback。 USD 汇率; CNY 人民币 国家 中国 洲 亚洲 附属单位 1 Yuan = 10 jiao or 100 fen 标志 ¥

Online numismatic catalog of US circulation 1 dollar coins with images, descriptions, prices

Detailed information about the coin 1 Dollar (Federal Reserve Note), United States, with pictures and collection and swap management: mintage, descriptions, metal, weight, size, value and other numismatic data

转换 $1 美元 (USD) 兑 人民币 (CNY) 今天. 获取实时汇率、历史汇率和统计数据及货币图表。