1. Modeling. Generally speaking, the shapes of ancient porcelain are very simple and natural, and ancient porcelains of different eras have so distinctive characteristics of the times. For example, the Guanyin vase in the Kangxi period is a unique porcelain shape of that period. Modern porcelain is more diversified in terms of shape, especially since there are many artistic porcelains nowadays, it is no longer just traditional porcelain shapes.
2. Glazed surface. Observing the glazed surface is mainly to observe its gloss. Because ancient porcelain is old, the glazed surface usually has a moist feeling, and some porcelains will have clam light. The more typical one is Tang Sancai. And modern porcelain. Many of the light on it is floating light, which is a bit dazzling compared to ancient porcelain.
3. Pigment. The color materials used in ancient porcelain are different from modern porcelain. For example, the blue and white porcelain used in the Kangxi period was made of Zhejiang materials.
4. Painter. The glazed surface of ancient porcelain is very layered. The birds and beasts, figures and flowers on it are all lifelike, and they all have distinct characteristics of the times.
5. Bottom foot. Many of the bottom feet of ancient porcelain are exposed, and the quality of the tire is very hard. You can also see the glaze on the surface of the tire. Because of the age, there will be natural signs of wear. If it is the traces of antique modern porcelain, it is also artificial, and the bottom feet are not very neat.
6. Bubbles. The glazed bubbles of ancient porcelain are of different sizes, and the distance between bubbles is relatively sparse, while modern porcelain is more dense.