One: Generally, the paper used for printing calligraphy and painting is not as special as that used for calligraphy and painting. He used rice paper, bamboo paper and wool paper. Thick paper, smooth paper and even modern printing paper that people can see are widely used in printing paper.
Two: the pen and ink of printed matter is not as flexible and free as painting and calligraphy.
Third, the simple and practical identification method is: smell with your nose. Printed matter has no ink smell, and some are only ink or tasteless.
Four: Printed matter generally consists of small grids or dots, which can be seen clearly with a magnifying glass.
Five: There is also a kind of overprinted calligraphy and painting art, but it is marked in the art shop. It is also an art in itself, and its value is not cheap!
Six: If you really don't understand, let people in the industry have a look, find experts, visit painting and calligraphy shops and museums …
I wish you a good eye as soon as possible!