The number of collectors is limited;
Antique dealers, good and evil people are mixed, both genuine and fake. In addition to antique shops in the cultural relics market, you can also find many online shops, such as Confucius.
But now the market of ancient books is developing rapidly, and the price of ancient books is likely to increase by more than ten times in a few years. Buying thousands to tens of thousands of books on the market now may be equivalent to famous paintings or fine ceramics in a few years.