1, historical value and documentary value, because celebrity letters reflect the current affairs, politics, human feelings and social customs of the era in which their authors lived, as well as their poems and essays with friends, and truly record or reflect the thoughts, academic views and some work and life of celebrities from a certain aspect.
2. Artistic value and appreciation value. In the past, the writing tools of celebrities were all writing brushes. For thousands of years, China literati and Shang Ya have often used calligraphy to pin their artistic ideals.