(1) Yuan Datou was born in the third year of the Republic of China. At that time, Yuan Shikai found an internationally renowned designer to design silver coins for him. At that time, the earliest small batch trial version was the trial casting of sample coins by the former Tianjin Mint. The most striking feature of this coin is that the words "L.GIORGI" or "L.G" are written on the right side of Yuan Shikai's head in English, which is the signature abbreviation of the sculptor "Rurgi George", commonly known as the signature big head.

(2) A full set of five-one, five, two, one and five. There is no mass signature.

(3) In order to prevent someone from scraping the silver from the edge of the silver coin, there are herringbone and T-shaped marks on the edge of the silver dollar, that is, the T-shaped edge.

(4) The pattern on the edge of the T is two groups of letters T, one positive and one negative covering the edge of the whole coin.