According to the size, it can be divided into (slightly more than a dime), 20% (slightly larger) and 30%, of which 20% and 30% are divided into official script and seal script, and there are five kinds of * *. Among them, 20% discount is popular. These kinds of copper coins are popular varieties. Xining heavy treasure (traditional), copper, bare back five. Dimensions are divided into (slightly more than a dime), 20% discount (slightly larger) and 30% discount, among which 20% discount and 30% discount are divided into official script and seal script, and seal script products are divided into long crown and short crown, in which long crown money is slightly less than short crown money, so the price is slightly more expensive than short crown.
The appreciation of rare varieties in ancient coins is even more amazing. For example, in the autumn special coin auction of China antique culture and art trade in June 2009, a large number of Qing Dynasty Xianfeng Bao Tong Fu Bao Bureau's back word "Daqingbai" was sold at a high price of 1.96 million yuan, especially in the spring auction of China in May 20 10, an orphan-the "Wuyang" of Zhao Zhu Warring States was backed with "one or two". After nearly 40 strong bids from listed buyers, it was finally sold at a sky-high price of 3.528 million yuan, setting a new record for ancient coin auction.