The weight of a two-cent coin is determined by its material and manufacturing process. Silver is denser, so a silver coin is heavier than a copper coin or a nickel coin of the same size. The manufacturing process involves the precision, wear resistance and corrosion resistance of coins. In the manufacturing process, it is necessary to ensure that the quality and weight of coins meet the standards through melting, die casting, polishing and inspection.
Dichotomy is an auxiliary currency in China's monetary system. With the development of economy and the evolution of monetary system, binary coins have gradually withdrawn from circulation, but they are still used in some small transactions. In addition, two-cent coins also have certain collection and cultural value. Because it carries the memory and history of several generations, it has certain significance in cultural inheritance and historical research.
Cultural field of China currency;
1, unit of currency and name of currency: the unit of currency in China is yuan, while the name of currency is RMB, which reflects China's cultural values. Among them, Yuan stands for one, representing a whole, and RMB stands for the people as the masters of the country, emphasizing its position and role.
2. Patterns and characters on currency: The patterns and characters on currency in China have profound cultural connotations. For example, the word "five baht" on the five baht represents the weight standard of the society at that time, while Kaiyuan Bao Tong in the Tang Dynasty, Song Baoyuan Bao in the Song Dynasty and Qianlong Bao Tong in the Qing Dynasty all have their historical origins and cultural connotations.
In addition, new China coins, such as Al-Mg alloy coins and nickel-plated steel coins, have profound cultural significance, such as the Great Wall, the national emblem and peony flowers, which all represent the culture and history of China.
3. Currency calligraphy art: China's currency calligraphy art is also a form of cultural expression. Currency in different dynasties has different calligraphy styles. For example, in the Tang Dynasty, the calligraphy fonts of Yan Zhenqing and Liu Gongquan were dominant; In Song Dynasty, European style and Zhao Ti were the main currencies. In the Ming Dynasty, the main currency was lower case letters. These different calligraphy fonts and styles show the unique cultural connotation and artistic characteristics of each dynasty.