The characteristics of the official seal of the Tang Dynasty

We can get some characteristics of the official seal of the Tang Dynasty, but we don't provide a specific picture of the official seal of the Tang Dynasty. Therefore, I do not know how to answer this question.

The official seals of the Tang Dynasty were mainly made of copper. Some representative official seals included the seal of Shazhou, the seal of Qianfeng County, and the seal of the Kingdom of Qi. Most of these official seals were square in shape, shaped like nose buttons. The size of the official seal gradually increased during the Sui and Tang Dynasties, and Zhu Wen's small seal script was used as the calligraphy style of the seal. In terms of production method, the official seal of the Tang Dynasty used the welding method, which was to use small copper strips to be welding according to the composition of the strokes. During the Sui and Tang Dynasties, the official seal system also changed. The management of official seals was changed from private ownership to public ownership, and the use and ownership of official seals were separated. The change of the official seal in the Sui and Tang dynasties had a profound influence on the seal system of later generations. However, the search results provided did not provide a clear answer to the specific details and more information about the official seal of the Tang Dynasty.

The characteristics of the official seal of the Tang Dynasty included an obvious increase in size, usually 5 to 6 cm square; the use of Zhu Wen Xiao Zhuan, solemn and round lines, and well-proportioned strokes; the method of making the seal was mostly welding; the shape of the button was mostly a higher and narrower nose button, and the hole was changed from round to oval; the number of printed characters varied, such as four characters, five characters, nine characters, etc. However, the search results provided did not have a specific picture introduction.

The characteristic of the official seal of the Tang Dynasty was that the white script was abolished and the small seal script of Zhu was used. The official seals of the Sui and Tang dynasties were significantly larger in size, generally 5 to 6 centimeters square. The change of the official seal system in the Sui and Tang Dynasties was the separation of the rank symbol and the official certificate function attached to the official seal. The content of the official seal gradually evolved from the official seal to the official seal. The official seal management system of the Sui and Tang Dynasties ended the situation of private distribution of official seals and replaced it with the official seal system. The official seals of the Sui and Tang Dynasties used the small seal script of Zhu Wen. The surface of the seal was large and the strokes were thin. Therefore, some official seals used curved and revolving seal script to fill the space. The size of the official seal of the Tang Dynasty completely changed the tradition of the Qin and Han Dynasty seals being square inches in size. It was a broad-edged seal with red characters. In general, the official seal of the Tang Dynasty had obvious characteristics and changes in the style, size, and system.

The characteristics of the official seal of the Tang Dynasty included its obvious increase in size, which was generally 5 to 6 centimeters square. They used the small seal script of Zhu Wen, with solemn and round lines and well-proportioned strokes. Most of the seals were made by welding. The shape of the button was mostly a nose button that became taller and narrower, and the hole changed from round to oval. The number of words printed varied, including four, five, nine, etc. Most of the seals were semi-oval in shape, and the holes were close to the back of the seal. Most of the seals were official names or government names, and there were few other contents. However, the search results provided did not include high-definition pictures of the official seal of the Tang Dynasty.

The pictures of the official seal of the Jin Dynasty were not in the search results provided.

The official seal of the Ming Dynasty was an official seal used during the Ming Dynasty to indicate the identity and status of an official. There were different types and styles of official seals in the Ming Dynasty. Among them, the General Seal was a silver seal with the general's name engraved on it. It was used for conquering and commanding troops. The straight button Baiguan Seal was another common Ming Dynasty official seal. It was an oval cylindrical seal with the name of the Baihu Office engraved on it. The button type of the Ming Dynasty official seal was shaped like an oval column with a large bottom and a small top. According to historical records and archaeological discoveries, there were many official seals in the Ming Dynasty, with different styles and shapes. The use of official seals in the Ming Dynasty was related to the level and position of the officials. The seals of high-ranking officials were more exquisite and gorgeous. In general, the official seal of the Ming Dynasty was a symbol of the identity and status of the officials in the Ming Dynasty.

The size of the official seal in the Song Dynasty changed at different times. The size of the official seal of the Song Dynasty gradually increased, and the side of the printed surface was about 45 mm to 55 mm. In addition, the outer frame of the seal also became wider and wider. To be specific, the thickness of the official seal in the early Northern Song Dynasty was basically the same as the edge of the seal. Later, the edge of the seal gradually widened to 2 mm to 3 mm. The size of the official seal of the Southern Song Dynasty was also within this range. In general, the official seals of the Song Dynasty were larger in size, with the side length of the printed surface ranging from 45 mm to 55 mm.

The official seal system of the Jin Dynasty was an official seal system during the Jin Dynasty. The shape and production method of the official seal of the Jin Dynasty were similar to those of the previous generation, but there were some improvements in some aspects. The official seal of the Jin Dynasty was generally square in shape, and the seal button was in the shape of a echelon column. The upper end was engraved with the word "Shang" to indicate the direction of the seal. The official seal mostly used the nine-fold seal script, the strokes turned into square folds, and most of the words were arranged in parallel. On the back of the official seal, there were Shao Fu Jian, the Ministry of Rites, the Ministry of Rites of the Imperial Palace, the Ministry of Rites of each state, the various roads, the government, and the state. The casting and printing were independent, and the unified shape was difficult to continue. In the official seals of the Jin Dynasty, some began to show numbers, which might be related to the increase in the number of seals. However, the specific size and system details of the official seal of the Jin Dynasty still needed further study.

The official system of the Tang Dynasty was divided into nine grades, of which there was no first grade. From the second grade, each grade was divided into the first and second grades, and from the fourth grade, there were upper and lower grades, totaling 29 grades. The official system of military officers is also divided into nine grades. In addition to the first grade, each grade is divided into the first grade and the second grade. From the third grade, there are upper and lower grades, totaling 31 grades. The specific official titles and duties could be referred to in the official list of the Tang Dynasty.