Is Ruan Boang's official script expensive?

Expensive. According to the query of Confucius Old Book Network. Ruan Boang's calligraphy style of Lishu Heart Classic also has high artistic value, and it is an important reference material for studying ancient calligraphy and culture. This is a book of great historical and academic value. This is the official script Heart Sutra written by Ruan Boang, a famous calligrapher in China history.