Yuan was one of the major currencies in the period of the republic of China. "yuan head" was the colloquial term for yuan shikai's collection of COINS, which was called "yuan shikai as the silver coin of the back". After the revolution of 1911, yuan shikai became the "interim President" and later became the official President. At that time, in order to consolidate the domestic political stability, the development of national economy, and to prepare for the "constitution" and "peanuts", then release the national currency ordinance, resolutely decided to "unified monetary" across the country. "Yuan big head", is to cast in the republic of China in the early years of the engrave to have yuan shikai's profile picture of a silver coin. Because of its first casting in the republic of China, there are also known as the "people nine", such a nickname has a long history. The "big head" series is no stranger to coin collectors. The birth of "yuan big head" silver dollar is also the inevitable result of the development of silver dollar. In the wake of the 1911 revolution, yuan shikai was named for the silver dollar in order to solve military expenditure and improve his personal political status. ? "Big head" yuan in money collecting is called the treasure of silver, it is the most popular in China in nearly one thousand kinds of modern silver, silver varieties, and the greatest influence is also an important role in the monetary system reform in modern China. Because it is a physical currency, in between people's recognition of precious metals and a strong sense of history and culture, the collection is not a minority. "Yuan big head" has strong liquidity, which is one of the favorites among collectors. "money" is a promising one. The quantity is extremely rare, the price is high, also can not imagine, the recent auction price, unexpectedly reach millions of yuan, has become the rare goods that the silver yuan lover and the collector coveted.