Square holes, round coins and ancient coins have their own characteristics. They are the organic unity of practicality and aesthetics, which is consistent with China's ancient world view, and also represents the dialectical principles of square and circle, curve and straightness, and yin and yang. The square wear of ancient coins has the beauty of stability, straightness and solemnity, and the circular outline gives people a feeling of fluidity and unity, creating a feeling of fluidity and movement.
Various decorative patterns of coins: such as auspicious clouds, stars and moons, etc.
All kinds of coin calligraphy: imperial calligraphy, celebrity calligraphy, (seal, line, grass, official script, Qian Wen charm), etc.
Excerpt: (Coin and Calligraphy Art) Liu et al.