18 10, after Mexico's independence, silver coins and gold shields were still cast and circulated in rial. It was not until 1823, two years after the end of the War of Independence, that the eagle on the national emblem of Mexico began to be engraved on the silver coin of 8 rials cast in Mexico. 1863, Mexico began to adopt decimal coins and began to circulate. At the end of 19, the silver coin of 8 rials was replaced by 1 peso, but the basic features, especially the eagle pattern, remained. At this time, it was Mexican Eagle Ocean that entered the China market and became the currency in circulation. 1848, the Mexican mint moved from the city center to the outside of the city. 1970 new mint. 450 years after the first mint was born, Mexico built a completely modern mint in San Luis Potosi in 1983, with an annual production capacity of 654,380.3 billion coins per shift. Gold coins, silver coins and other coins minted in Mexico enjoy a high reputation in the world. Many countries entrust Mexico with minting coins. 192 1 year, the Mexican gold coin "Sentner Rio" (meaning "Centenario") issued to celebrate the 0/00th anniversary of independence/kloc-became a masterpiece in the international gold coin market. In order to meet the needs of coin collectors, it imitated "Sentner Leo" and made 1 ounce silver coins. On the one hand, it is the national emblem of the eagle pattern, on the other hand, it is the Statue of Liberty, and it is also a best-selling variety in the silver coin market. Although Mexico has a long history of coinage, it didn't start issuing paper money until 1823. Mexican coin experts believe that the paper money issued by China in 1024 is the first paper money produced by the government in human history. Until the12nd century, the paper money printing technology has been a secret of China people, and Europeans can't use paper money. Swiss banks didn't start issuing paper money until 166 1, followed by British banks, which was the beginning of using paper money in European countries. During the Ming Dynasty in China (1368- 1644), paper money was widely used. The use of paper money has greatly promoted world trade.

Mexican Eagle Ocean refers to the new currency used after Mexico's independence in 182 1. It was voted from 1823. The author keeps a Mexican eagle ocean. Its diameter is 39 mm and its weight is 27.58 g. The front design is the shape of the national emblem of the Republic of Mexico: an eagle with open wings and a snake in its mouth stands on a cactus growing on a lake rock. The lower part of this shape is surrounded by branches and leaves of oak trees and laurel trees, symbolizing strength, loyalty and peace.