Tang "two (west) county northeast Que XXXXXX fifty lessons salt silver salt system", a weight: 2022.5 g, the ingot gray color leather case, spindle type thick atmosphere, surface back all have lettering, lettering plain natural, lettering tang ship type silver collar is extremely rare, this is a rare top varieties, overseas collectors old Tibet, very beautiful, huaxia rating XF, please preview the editor's note: Salt as one of national income, the earliest can be found in "yu gong", in 630 BC, king Zhou Xiang 22 years in winter, the duke of zhou wang read to hire, fans have chang 歜, white and black, salt. It shows that the Zhou king had the salt resources. In the early Tang Dynasty, there was no tax on salt, but the government controlled a part of the salt industry resources for official use, and set up a salt pond supervision institution under the Sinong Temple. Kyoto Baishi salt, supplied by Sannongji Temple. The Tang Dynasty began to tax salt on August 10 in the tenth year of Kaiyuan (722), but local officials disagreed. In 758, in the year of Emperor Su and Qian Yuan, the Fifth Qi was used as the salt and iron transport ambassador, and the salt and iron monopoly was carried out by means of "civil system, official collection, official transport and official sales". Because of the large number of official salt institutions and officials, the expenses are relatively large, coupled with the lucrative salt industry, the opportunity for corruption is greater, and the national income is affected. In the third year of Qianyuan Dynasty (760), Liu Yan reformed the salt industry and implemented the method of "civil system, government revenue, commercial transportation and commercial sales", which greatly increased the income of salt. By the end of the Dali Calendar year, the annual income of salt reached more than 6 million, and "salt benefits accounted for more than half of the wealth of the world". But after Liu Yan was killed. Salt production is out of order. By the end of the Tang Dynasty, private salt was rampant, Vassal towns were divided, and the salt law was destroyed.Tang Dynasty silver coin