Generally speaking, signature identification can be distinguished from brushwork and writing skill, and can also be judged from the artist's signature writing habits. Whether the seal is forged or not depends on the seal itself. Seal cutting, shape and seal material are different in different times. The color of inkpad in different times has faded and oxidized in different degrees with the passage of time. It also depends on whether the date of signature is the same as the author's birth time, and whether there is a time difference.

A painting needs paper or silk. It should be noted that the materials of paper products and silk fabrics in different times of calligraphy and painting are absolutely different. Silk fabrics of different times have different textile processing, fineness and luster, and paper products and papermaking raw materials of different times are also different. The dates on paintings and calligraphy works of art are not the same as those on paper, silk and cloth in this era, and they are also fakes.

Different eras have different humanistic habits and fashions, and each era has its own unique characteristics of the times, aesthetic style and vision, which is a worldwide feature. Understanding the characteristics and human life of each era is also of great significance to identify Gu Shuhua's works.

In short, it is to invest in collection, let yourself know more about calligraphy and painting, and then appreciate the artistic conception and style habits of different painters. Be calm and take it lightly, treat art itself with an attitude of appreciating art, and choose painters and their works according to their own economic strength, personal vision, painting quality and painting level. In the Internet age, it is also necessary to choose a regular website of calligraphy and painting works to protect your investment collection at a higher level. Choosing a reliable website to select paintings and calligraphy works can save you worry and time, and the paintings and calligraphy works of the painting and calligraphy network are also selected and sold by the company's professionals, and then selecting the best is another guarantee for appreciation.