1. font characteristics: observe the font characteristics on the seal, including the thickness of strokes, the fluency of writing, the regularity and change of fonts, etc. Hanjiang Calligraphers Association has its own unique writing style and characteristics, which can be identified by comparing the font characteristics of its works and seals.
2. Seal cutting techniques: observe the seal cutting techniques of the fonts on the seal, including the strength of the knife method, the change of lines and the overall texture of the seal. Hanjiang Calligraphers Association will display its unique seal cutting techniques on the seal, such as the expressive force and rhythm of knife cutting. By comparing the seal cutting characteristics in its works with the seal cutting techniques, it can be identified.