Shenlong version
The "Lanting Preface" stored in the British Museum is a Tang Dynasty copy of the "Lanting Preface" written by Wang Xizhi, a famous calligrapher in the Eastern Jin Dynasty; it is said that Wang Xizhi's original work has been buried in Emperor Taizong of the Tang Dynasty Zhaoling, this copy is the most exquisite one among the various copies in the Tang Dynasty. Because the copy has the small seal of the Shenlong reign of Emperor Zhongzong of the Tang Dynasty, it is also called the "Shenlong copy".