2. Seal: Qin seal refers to the seal that was popular from the end of the Warring States Period to the beginning of the Western Han Dynasty. The characters used are. Look at its calligraphy style and Qin and Han dynasties, Qin stone carvings and other characters are very similar, are more popular and easy to understand than the ancient prose of the Warring States period. Qin seals are mostly carved in white, and the word "Tian" is often printed on the surface.
3. Official seal of Han Dynasty: broadly speaking, it is the general name of official seal from Han Dynasty to Wei and Jin Dynasties. Compared with Qin Zhuan, the seal is more neat, straight, square and vigorous in style.
4. General seal: General seal is also a kind of official seal of China. These seals are often temporary dispatches on the way to March, and they are engraved on the printed surface with a knife, which is also called "urgent printing". Pu Yin's unique style is full of interest and has a great influence on his later artistic style. Generals in the Han Dynasty used seals.
5. Han Yuxi: Two Han Yuxi are very precious and rare in ancient seals. "Dai Yu" was also an elegant fashion of famous officials and celebrities in ancient times. Generally, the jade seal is well-made, with rigorous composition and rounded strokes. At first glance, the strokes are straight and upright, but they have no intention of stagnation.
6. Seal in Wei, Jin, Southern and Northern Dynasties: The official seal, private seal form and button system in Wei and Jin Dynasties followed the Han Dynasty, but the casting method was not as beautiful as that in Chinese seal. The official seal handed down from generation to generation by brothers is like a knife, and the calligraphy style naturally came into being in Xu Ya-sheng, becoming the representative of seal cutting style in a period.