2. In the third year of the Republic of China, Yuan Datou was 2.8 million.

3. Sun Yat-sen's Founding Commemorative Coin, 2.4 million.

4. In the third year of the Republic of China, Yuan Datou signed edition, 3 million.

5. Beiyang made Guangxu Yuanbao, 2.2 million yuan.

6. Household Guangxu Yuanbao copper coins, 2 million.

7. Copper coins of the Qing Dynasty, 2 million.

8. The household Guangxu silver ingot, 2.4 million.

9. Xuantong spent 2.4 million Qing silver coins in three years.

10, 30 years of the Republic of Yuan Datou, 2 million.

: 1 copper coin, copper coin, also known as "copper coin". Copper coins mainly refer to non-porous copper coins in the late Qing Dynasty and the early Republic of China. China was the first country to use metal currency. Among the metal currencies, copper coins are the main currencies of past dynasties. Therefore, the ancient currency history of China is actually the history of copper coins. During the Yin and Zhou Dynasties, China firmly used scallops as currency, but later, because the real scallops were not enough, they were replaced by imitation copper scallops. Copper shell is a form of transition to metal currency.

(2) After Qin Shihuang unified China, he unified the monetary system. Scrap knives, cloth, shells and other coins, it is stipulated that only the square hole coins with a square hole in the middle of the outer ring are evolved from ring coins. After Qin Dynasty, the common currency was square hole currency, but the formation of square hole currency with different names followed for thousands of years. Some people think that "the outer circle is inside" expresses China people's humanistic thought that "the sky is round". Some people think that it is because the square hole is easy to wear with a rope, and it is round without edges and corners and easy to carry. There is also a feeling of convenient processing: after copper coins are cast, some burrs on the outer contour need to be planed and strung into a square strip, and many burrs can be planed at one time. If it is a round hole, the money will rotate with the folder. It seems that all the above statements have some truth. Square hole money has a low face value and a large demand for circulation, and is often worn by ropes (called "coins"). A string of 100-block calls and a string of 1000-block calls are regarded as a "text" alone. "Wen", "Gua" and "Guan" are all units of measurement of ancient copper coins.

(3) The formation of square-hole money coins follows the reason of enduring for thousands of years: Some people think that "the outer circle is inside" expresses a humanistic thought of China people that "the sky is round". Some people think that it is because the square hole is easy to wear with a rope, and it is round without edges and corners and easy to carry. There is also a feeling of convenient processing: after copper coins are cast, some burrs on the outer contour need to be planed and strung into a square strip, and many burrs can be planed at one time. If it is a round hole, the money will rotate with the folder. It seems that all the above statements have some truth. Square hole money has a low face value and a large demand for circulation, and is often worn by ropes (called "coins"). A string of 100-block calls and a string of 1000-block calls are regarded as a "text" alone. "Wen", "Gua" and "Guan" are all units of measurement of ancient copper coins.