The dollar sign is $. The U.S. dollar, also known as U.S. dollars and U.S. dollars, is the legal tender of the United States of America. The currency abbreviation is USD. The U.S. dollar banknotes currently in circulation are various versions of banknotes issued since 1929.

　What is the dollar sign?

The U.S. dollar is the legal tender of the United States. The main image on the front of the banknote is a portrait, and the main color is black; the main image on the back is a building, and the main color is green, but there are few differences in the colors of different versions.

The dollar sign is $, which is dollar in English. Since 1913, the United States has established the Federal Reserve System and issued Federal Reserve Notes, so more than 99% of the banknotes in circulation are Federal Reserve Notes.

Which countries can use the U.S. dollar?

The U.S. dollar is commonly used in many countries around the world. Countries (regions) that use the U.S. dollar as their main currency include: Puerto Rico, the Northern Mariana Islands, the Virgin Islands, American Samoa, Guam, the U.S. Pacific remote islands and other U.S. overseas territories, East Timor in Asia, the Marshall Islands in Oceania, and the Federated States of Micronesia.