In which period did the inscriptions in China's ancient calligraphy first appear?

The earliest appearance of stone carvings can be identified as Shang Dynasty. A large number of stone symbols or characters have been unearthed from the Shang Dynasty site in Wucheng, Qingjiang, Jiangxi. The word 12 is engraved on the stone reed unearthed from the tomb of Yin Ruins in Anyang, Henan Province. Calligraphy works written on paper and silk are very rare because of their age. Shi Guwen, Shijing and Cliff in the Qin and Han Dynasties, due to the vicissitudes of more than 2,000 years, some handwriting has been blurred, and some are only recorded in ancient documents, but the physical objects are difficult to find; On the contrary, the inscriptions and epitaphs that recorded the history of various words were only for a practical purpose at that time, but now they have become precious materials for studying and learning ancient calligraphy, which was unexpected by the tree monument at that time.