There is a training point that talks about printing and carving, but China people don't like it, so they call it "flying feet"

Secondly, most of them are practical books such as the Five Classics, which are of little value.

However, there is a lot of evidence in the engraving, and the manuscript is of great value. Another example is An Zheng's Treatise on Febrile Diseases, which also has a great influence on reprinting and publishing in China.

So we have to distinguish. Before analyzing, you should find out the version of the library.

Personally, as long as the carving is good, the collection value naturally exists.