This is a Southern Song Dynasty Longquan kiln green glaze hat-style bowl. Longquan kiln from China, fired during the Southern Song Dynasty (1127-1279). Longquan kiln was a famous celadon producing area in the Song Dynasty, which reached its historical peak in the Southern Song Dynasty. The device is in the shape of a hat, the mouth is skimming outward, the circle is small, and the shape is elegant and generous. There is a fine green glaze, glaze color presents elegant turquoise, "like ice like jade" reputation, in line with the Song Dynasty introverted rational advanced aesthetic. There is an obvious damage along the bowl mouth, which has been repaired using the traditional Japanese gold (Kintsugi) process.

Zhidao Yuanbao "is a currency minted by Emperor Taizong of Song, Zhao Guangyi, in the first year of Zhidao (995 AD). The diameter of this coin is about 2.5 centimeters and its weight is about 3.8 grams. Qian Wen has three types of writing styles: regular script, running script, and cursive script. It is said to have been handwritten by Emperor Taizong of Song, Zhao Guangyi, and is known as the "Imperial Script". Zhidao Yuanbao held an important position in the ancient currency system. As a currency of the Song Dynasty, Zhidao Yuanbao played an important role in circulation. At the same time, the casting and circulation of Zhidao Yuanbao also reflected the economic prosperity and social stability of the Song Dynasty.

Xuanhe Tongbao "is a year name coin minted by Emperor Huizong of Song, Zhao Ji, during the Xuanhe period (1119-1125 AD). Xuanhe Tongbao is a combination of seal script and clerical script for coins, with direct reading. The currency values include Xiaoping, Fen Er, Fen San, and Fen Wu, with differences in coin diameter. Xiaoping generally has a diameter of about 2.4 centimeters, Fen Er is about 2.7 centimeters, Fen San is about 2.9 to 3 centimeters, and Fen Wu has a diameter of about 3.2 centimeters. Emperor Huizong of Song personally inscribed the inscriptions "Chongning Tongbao", "Daguan Tongbao", and "Xuanhe Tongbao" with his unique "thin gold body". The fonts were dignified and beautiful, and the strokes were straight and handsome, earning him the nickname "iron strokes and silver hooks".

Daguan Tongbao "is a year name coin minted by Emperor Huizong Zhao Ji of the Northern Song Dynasty during the Daguan period (1107-1110 AD). It has various formats such as Xiaoping, Fold 2, Fold 3, Fold 10, etc. The currency of the Northern Song Dynasty, Daguan Tongbao, was inscribed with inscriptions by Emperor Huizong. The Song Dynasty was different from previous dynasties in that new coins were minted with each new year name. If the year name was the same as the Baowen, non year name coins were minted even more. In the third hundred years of the Song Dynasty, the main currency used was the small flat folded two coins, during which there were also large coins circulating and the outline and size of the coins had certain standards. Rare throughout history, in addition to the authentic, cursive, clerical, and seal scripts, Qian Wen also features the thin gold body of Emperor Huizong of the Northern Song Dynasty, known as the "Jade Carving Silver Hook".