The full name of the epitaph《唐故中书主书冯君墓志铭并序》. The epitaph is made of bluestone, with 54 cm in both horizontal and vertical directions, 28 lines in Zhiwen, and 25 lines in total, totaling 648 words. The script, there is a border. The 12-character of the "Gui Jun's Epitaph of the Tang Dynasty". The record was engraved in Xianheng for three years (672), without the name of the author and the book. Unearthed in Xi'an, Shaanxi Province in 2009.
There is no information about the《兰亭序》transcript, but the excavation of the epitaph is enough to confirm to us that Feng Chengsu is a real person. According to Zhi Zai, Feng Chengsu's weak "Yu Gong Cao Li", said that "Zhang Boying's sorrow is good, can not be compared; Wei Jushan's speech, once he is a metaphor", compare it with Zhang Zhi, Wei Heng It is enough to see that Feng Chengsu is famous for his book.
From the epitaph calligraphy, the law is rigorous, the work is fine, the word is clear, the skin is thin and hard, the knot is very dense, and it is really good. Because of the particularity of the tomb owner Feng Chengsu in the history of the book, this ambition has extraordinary historical material value, and also fills in the gaps in the history books.