Xuanzong's Preface, Text, and Commentary on the Classic of Filial Piety, also known as Shitai Xiaojing (Stone Platform Classic of Filial Piety)

Rectangular gray stone slab with a vertical black stripe down the center. The black stripe contains 5 lines of white Chinese characters. The slab has 12 visible Chinese characters carved into it, arranged in 3 rows of 4. The background behind the slab is light grey.