The minimum denomination of paper money is $65,438+0, and coins under $65,438+0 are used, including 25 quarters, 65,438+00 cents (Dime), 5 cents (nickel) and 65,438+0 cents (cent).
At present, the denomination of the dollar currency still being issued is:
Coins: 1 cent, 5 cents, 1 cent, 25 cents, 50 cents,1dollar;
Paper money: 1 USD, 2 USD, 5 USD,1USD, 20 USD, 50 USD, 100 USD.
Dollar notes are made of cotton fibers and hemp. Long cotton fiber makes paper not easy to break, good ink absorption and not easy to fade. Hemp fiber is tough, which makes the paper stiff for a long time and has certain resistance to water, oil and some chemicals. One-dollar paper is white without whitening agent and does not reflect light under purple light.
Since 1880, there have been red and blue fibers in the paper of dollar bills, which are mixed with pulp when making paper. So some fibers are sandwiched in the paper and some float on the surface, and the fibers can be picked out with the needle tip. Before 1928, red and blue fibers were distributed in the middle of banknotes, and they were long and narrow up and down. 1928 and later versions, full-page transmission of fiber silk.
Extended data:
Dollar (abbreviation: USD；; И o4217Currency code: USD; ; Symbol: USD) is the legal tender of the United States of America. At present, the US dollar banknotes in circulation are all the banknotes issued since 1929.
1792 appeared after the passage of the American mint act. At present, the issuance of US dollars is controlled by the Federal Reserve system. Starting from 19 13, the United States established the federal reserve system and issued federal reserve bonds. More than 99% of the banknotes in circulation are federal reserve notes.
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.