【规格】直径：23.14mm 厚：1.04mm 重：2.6g
Chongqing JiHu证券报a auction co. LTD
Chongqing Jihua Auction Co., Ltd. is a comprehensive collection company approved by the state owned assets supervision and Administration Commission of the State Council, which combines ancient and modern Chinese calligraphy and painting, porcelain miscellaneous, jade jade, precious jewelry watch, famous wine, tea and various assets. Strive to participate in all kinds of charity auction nationwide, hold a special fair for European royal family treasures and global celebrities' treasures, and organize auction World Tour trade in Hong Kong, Taiwan, Singapore, Britain, France, the United States, Canada, Japan and other countries.
[Name] Qianlong Tongbao (Baosu)
[Specification] Diameter: 23.14mm thickness: 1.04mm weight: 2.6g
During the Qianlong period, there was a perfect spring casting system in Baosu Bureau. It has been found that there were many kinds of money of the mother of all kinds of samples and the mother of money. Due to the long casting time span, the sample coins have successively the large-diameter pattern issued by the spring Bureau, with the diameter ranging from 27.5mm to 29mm. There are also many kinds of sample coins and sample coins, such as the song style wide edge pattern and the special Soviet style special wide edge regular script pattern.
Most of the commercial money can correspond to the extra wide margin large sample money. The characters are very similar, but the margin and weight are reduced. In the early days, some of the cast money was full or overweight. The casting process was very standard, with a diameter of 26 mm or even more. However, in the late Qianlong period, the weight loss was obvious. Some of them had been reduced. They were widely worn and the processing industry was sloppy. The lightest one was less than 1.5 cm (i.e. less than g), and the smallest one was less than 18 mm in diameter. There is also a large gap in copper quality and private casting is also common.
There are many and complicated patterns of money used. There are four types of calligraphy, namely, ministerial, spring hand, song style and Soviet style.
This collection is for the Qianlong Tongbao Soviet bureau to spend money, for the square hole round money, the product phase is exquisite, the copper is fine, the coating is mellow, the decoration is clear, extremely beautiful. The inner ring of the front of the coin is a four character regular script of "Qianlong Tongbao". The writing style is smooth, the character outline is deep and dignified, and a circle of ornaments is engraved on the periphery. In the back part of the coin, the inner eye is perforated, and the Manchu "Baosu" is engraved on the left and right sides, that is, Jiangsu Suzhou money Bureau, with clear ornaments on the periphery.