In the early years of Xianfeng, the Qing Court made an exception to solve the financial difficulties by adding large sums of money. In just a few years, the central and local casting of all kinds of face value, all kinds of shape and shape of the big money, the number of categories can crown the history. However, most money bureaus are to when five, when ten, when fifty, when one hundred, when five hundred, when one thousand lines, only individual places break through the conventional, innovative face value. For example, in the Western regions, there are Baogong Dang 2, Baodi Dang 8, Baodi Dang 80, etc. Fujian cast Baofu when twenty; Jiangsu cast Baosu when twenty, when thirty and so on. Only Treasure Zhejiang bureau not only cast when 20, 30, more original when the face value of 40, become the most abundant currency system of the money bureau. However, at that time, the most popular in Zhejiang area was when ten coins, when more than ten denomination coins were not implemented, they were stillborn, and only a very small number of trial cast coins existed in the world, becoming a rare treasure in Xianfeng big money. There are two types of the thirty coins in Baozhandang, one of which is in Manchu style, blue and white in copper and thin in size. According to Chen Wenjun's "Baozhandang Qing Qian Pu", there are about 10 pieces in existence in the world and half of them are held by the collection and the folk. The second is Manchu style, copper fine yellow, thick and stocky, money, such as cut, like money breath is difficult to cover up, very popular. "Baozhe Qing Qian Pu" disclosed that there are about 10 varieties of this variety in the world, and about 5 are known to the public. Except for the one from Singapore's Chen family, most of the rest are collected by collectors in Zhejiang province, and few of them are sold, so it can be said that it is difficult to find a product. This Man Handang 30 kinds of money in good condition, quality, by the Chinese rating authority certification. This money has been Yongkang Zhou, Huaxia Guquan, Tongxiang Ni handed Tibetan, more than ten years in the first domestic field appeared, the opportunity is now or never. Dimensions 47.1*4.7mm Weight 55.9g