According to the exchange rate on December 5, 2019, 20 U.S. dollars = 140.84 RMB, 1 RMB = 0.142 U.S. dollars

The main image on the front of the U.S. dollar banknotes is a portrait, and the main color is is black. The main scene pattern on the back is a building, and the main color is green, but there are few differences in the colors of different versions. For example, the back of the 1934 version is dark green, the back of the 1950 version is grass green, and the back of the 1963 version is all dark green.

Since Dollar Green is an ink made from tree sap, the quality of the sap varies each time, so the color is slightly different. The signature above is that of the Minister of Finance, and different Ministers of Finance were responsible for different issuance years.

Before the 20th century, 1, 5, 10, 25, and 50-cent notes were issued. Compared with the small-front dollar, the large-front dollar is half the size of the small-front dollar. Interestingly, all denominations of the US dollar are the same size. The 20 dollar is the most commonly used high-denomination banknote in the United States, 50 and 100. US dollars are very rare in the circulation market.

Extended information:

History of the US dollar

In 1792, the US dollar formed a currency area in 13 colonies. The United States was only a country with 4 million people at that time. . By the end of the 19th century, it had become the most powerful country in the world. By the outbreak of World War I in 1914, the economic aggregate of the United States was larger than that of the remaining three largest countries: Britain, Germany, France, and even their combined total, which made the status of the dollar increasingly prominent.

During World War I, gold from European countries flowed into the United States to purchase war supplies. The U.S. Federal Reserve's decision to treat this gold as legal tender caused inflation. The price level in the United States nearly doubled from 1914 to 1920. Later the Federal Reserve Bank of the United States decided to control inflation in an attempt to restore prices to their original levels.

What followed was a period of deflation. The price level fell from 200 to 140 in one year in 1920, a drop of 30%. This was the largest deflation in American history. Although the 35 years of the gold standard system were the "golden age" when liberal capitalism flourished, the fixed exchange rate system had the advantages of ensuring the security of international trade and credit, facilitating production cost accounting, and avoiding international investment risks.

To a certain extent, it promotes the development of international trade and international investment. However, the strict fixed exchange rate system makes it difficult for countries to implement favorable monetary policies according to the needs of their own economic development, and economic growth is greatly restricted. During World War II, the international monetary system was in chaos.

In order to solve this chaotic situation, in 1943, White, a US Treasury official, and Keynes, a consultant to the British Treasury, respectively designed the post-war international monetary and financial system based on their own national interests and proposed two different plans. , namely "White Plan" and "Keynes Plan".

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