Is Yu Hui's calligraphy collectible?

yes.

1. Yu Hui's calligraphy works have unique artistic style and expressive force. Yu Hui's fonts are vigorous, with smooth lines and rigorous structure, which has high artistic value.

2. The number of Yu Hui's calligraphy works is limited, and they are all collected in museums, art galleries and other institutions, so they are of high rarity and collection value.