First, the Republic of China "Yuan Datou" for three years.

1. Normal version. The front of the silver coin is a profile portrait of Yuan Shikai, with "Three Years of the Republic of China" on the top, "One Round" currency value and golden harvest pattern on the back, and the periphery is 185 line (the back is cast with 170 line). There are hidden marks around the chest (that is, a short line is missing) and lateral teeth. See more.

2. Eagle Ocean. The difference is that the edge shape is the same as that of Mexican Eagle Ocean, commonly known as "Eagle Ocean Edge". This coin is a trial coin. Rare.

3. thong. The difference is that the edge shape is a T-shaped edge shape, commonly known as "T-side". This coin is a trial coin. Rare.

4. Signature version. The difference is that there is the English word "L.Giorgt" on the right side of the frontal image. Very rare.

5. Open shellfish. Its main feature is the opening of the round shell, commonly known as "opening the shell". Because Yuan Xiang has a short straight line in his eyes, it seems that his eyes are open, so it is also called "open-eyed coin". There are no dark memories around the chest. Silver coins have low fineness and Jiahe is rough (figure 1). More common.

6. Gansu plus-character version, the pattern is basically the same as the "open cup", the main feature is that the words "Gansu" are engraved on both sides of the Yuan image, commonly known as "Gansu plus-character version" (Figure 2). Very rare.

Version 7.o. The main difference is that the word "Hua" is in different regular script, and there is a small "O" in the belt across Jiahe, commonly known as "O version" (Figure 3). Rare.

8. Triangle version. The main difference is that the stroke of the word "one circle" on the back of the silver coin is slightly thicker, and the upper part of the word "circle" looks like a triangle, commonly known as the "triangular version" (Figure 4). Rare.

9. triangle o version. The design is the same as the "triangle version", the main difference is that there is a small "O" on the back of the silver coin across Jiahe, commonly known as "triangle". Edition "(Figure 5). Rare.

References:

Baidu Encyclopedia-Yuan Datou