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.
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 characteristics of the official seal of the Tang Dynasty were mainly manifested in the following aspects: First, the size of the official seal of the Sui and Tang Dynasties increased significantly, generally 5 to 6 cm square, and the printed surface completely got rid of the shackles of the "square inch seal". Secondly, the official seal of the Sui and Tang Dynasties was changed to Zhu Wen. This was because paper replaced bamboo slips and began to be printed directly on paper and silk. Zhu Wen was clearer and more eye-catching than white text. In addition, the official seals of the Sui and Tang dynasties were still based on the standard seal script. The seal script was round and vigorous, and the strokes were natural and smooth. The style was relatively free, appearing simple and vivid. In addition, the button shape of the Tang Seal also had its own characteristics. Most of them were nose buttons that became taller and narrower, and their holes changed from round to oval. In general, the characteristics of the official seal of the Tang Dynasty included the increase in size, the use of Zhu characters, the freedom of seal style, and the change of button shape.
The characteristics of the official seal of the Tang Dynasty included: the size was obviously increased, generally 5 to 6 cm square; The seal script was changed to Zhu Wen Xiao Zhuan, with solemn and round lines and well-proportioned strokes; The method of making the seal was mostly welding; The button shape was mostly a nose button that became taller and narrower, and the hole was changed from round to oval; The number of characters printed varied, such as four characters, five characters, nine characters, etc. The seal shape was mostly semi-oval, with the hole close to the back of the seal; The seal was mostly the name of the official or the government, rarely the year number. However, the given search results did not provide a picture of the official seal of the Tang Dynasty.
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 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 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 characteristics of official seals in the Song Dynasty included the simplicity of materials, the increase in the size of the printing surface, the widening of the outer frame of the seal, the use of the "nine-fold seal script" font, the inscription of the time on the back of the seal, and the completeness of the system. The official seals of the Song Dynasty were mainly made of copper. Other than the emperor's imperial treasures, which were made of jade and gold, the other official seals were basically made of copper. The size of the printed surface became larger and larger, with a side length of about 45 to 55 millimeters. The outer frame of the seal also became wider and wider. Most of the official seals used the "Nine Stacks Seal Script", which meant that the number of strokes was more twisted. There was a time stamp on the back of the seal, which recorded the time of casting the seal and the name of the casting organization. In addition, the official seal system of the Song Dynasty was also very complete, including the establishment of a special printing agency, the Ministry of Rites responsible for the management of official seals, and the establishment of a strict management system. Generally speaking, the official seals of the Song Dynasty had their own characteristics in terms of form, quality and system.
The value of the official seal of the Qing Dynasty depended on many factors, such as material, appearance, age, and so on. The official seals of the Qing Dynasty were divided into different levels. The highest level of official seals were made of jade. Among them, Emperor Qianlong used 23 jade seals. In addition, there were official seals made of gold and sandalwood. Due to the importance of official seals, the imperial court had imposed strict restrictions on the materials used for official seals. However, the search results did not provide any specific information about the value of the official seal of the Qing Dynasty. Therefore, it was impossible to determine whether the official seal of the Qing Dynasty was worth anything.