1. In the early "Qianlong Year System", the seal script was mostly four words and two lines, and the pen turned smoothly. Generally, the characters are mainly written in blue and white, and the four characters are square, but some red plasterers, enamels or a few pastels are written in blue.
2. "Qianlong Year System in Qing Dynasty" is a popular format in the middle and late period. Regular script and seal script are used at the same time, mainly in seal script, some write six words and three lines horizontally, some write six words and two lines vertically, and the font is between regular script and official script. The second line has more endless cycles and the third line has more double cycles. The seal script font is neat.
On white porcelain, tea powder, bamboo imitation and other utensils, three lines and six characters are often engraved, and the dry and pastel official kiln utensils are mostly sealed with six characters.
3. The number of porcelain in official kilns varies, and the seal script and regular script of "Qianlong Year System" are very rare; Jingdezhen official kiln porcelain made in the Qianlong period of Qing Dynasty is more common.
Extended data:
60 years after Qianlong was the heyday of feudal society in Qing Dynasty, and porcelain production reached unprecedented prosperity. At this time, Jingdezhen Imperial Kiln Factory was huge. Under the management of Tao Guan, hundreds of thousands of pieces of porcelain are fired every year, and the fired porcelain has reached the level of perfection in both technology and decorative art.
The overall characteristics of Gan Long official kiln are: the point above the big characters is small in the middle, the four vertical lines are basically parallel, and the last stroke is slightly curved; The three water spots on the left side of the word "Qing" are written in the shape of "M"; The word "moon" on the lower right is mostly four long frames with a small vertical in the middle; The lower part of the word "dry" is a rigid "S" shape, and the upper mouth of the "S" is mostly to the right; The lower right part of the word "long" is symmetrical; There is generally a small gap at the top of the word "year"; There are three common ways to write the word "clothes".
The style of Gan Long kiln is mainly blue and white, with dark colors, red and enamel materials, gold, red, blue and sculpture. In a word, most of the styles of Qianlong Blue and White are neat in font and deep in blue and white, but there are some rare font deviations, Lian Bi writing and different shades of blue and white.
Reference source: Baidu Encyclopedia-Qingganlong Year System