in North America used as currency thalers. After independence,
the US dollar was chosen as the national currency.First the dollars and thalers were silver coins. Later came the paper notes. They were originally made greenish color. Until 1861, the United States actually did not have a single banknote system. Most monetary transactions were carried out through private banks . July 17, 1861, the U.S. Congress passed an act requiring the Treasury to issue new banknotes for huge for those times the sum — $ 60 million. The order was sent to the new York printing company "American Bank Note Co." act of July 17 authorized the release of only denominations of 5, 10 and 20 dollars