If it is in a straight row, the last name is the next name; If it is horizontal, the front is written in vertical order, and the seal is also the right surname and the left name; Now the writing rules in our country have been changed to horizontal writing, horizontal writing order, left surname and right name. But the seal cutting art world is still conservative, according to the previous rules.

The seals of famous calligraphy and painting works should also have a certain artistic level. If the seal is poor, there is the possibility of counterfeiting. The artistic level of seal is mainly different from calligraphy, composition and knife, especially the use of words can not be wrong. It is impossible for a famous painter to write and use typos often.

The identification of seals depends on the color of inkpad. Although the color of an ancient painting seal may be bright, it will become vigorous and calm with the passage of time and vicissitudes. Inpad is made of cinnabar. The color of cinnabar is stable, but the long-term imprint will also change, although the change is small. The performance of gold is stable, but the new gold will still be different from the gold handed down for many years. Therefore, the color of seals on ancient paintings and calligraphy can't be the same as that on modern works.

Extended data

Photosensitive seal: after laser printing, it is directly exposed on the photosensitive material, and then oiled for later use. The imprint is stable and can keep the original lines of the document. It is suitable for pattern seals, cartoon seals and signature seals, and can be used for tens of thousands of times. It is also a durable stamp-free seal, so it is also suitable for seals with large usage.

The supplementary ink of photosensitive seal must be the same brand as the original ink, otherwise the seal may be damaged due to improper use of ink. In addition, the price of seal material of photosensitive seal machine is slightly higher than that of ordinary seal engraving, but the photosensitive seal is green, pollution-free and convenient to use, which can avoid the constraint of seal inkpad, but it is more practical for photosensitive seal oil.

Ink-backed seal: Ink-backed seal is a solid seal rack with a built-in stamp pad. When used, the seal will automatically turn over and cover the stamp pad. It is a high-quality and high-grade seal with clear engraving effect, stable structure, durability, convenient refueling and replaceable stamp pad. Its convenience and durability are deeply loved by window units such as banks and hospitals. It is best to use the original water-based ink as the supplementary ink for the ink return seal. When using ink back seal, pay attention to uniform force to avoid damaging the seal bracket. Supplementary ink should first choose the same brand of water-based ink to ensure that the sealing surface is not damaged.