Briefly describe the collection value of tombstones from the following aspects.
Generally speaking, a tombstone records the life and major achievements of the owner of the tombstone, which inevitably involves political, cultural or social information and events of that era. This can be used as evidence for historical research.
Tombstones of two great men and celebrities are important goals pursued by collectors. It has commemorative value and cultural relics textual research value.
Some words used in tombstones have been lost, such as the tombstone of Qidan. Now scientists are reading and deciphering these words through the inscriptions of Khitan. Some words and vocabulary are different from ancient times to modern times, which can be verified by tombstones.
The inscriptions on some tombstones were written by famous calligraphers, and their inscriptions have become models and teaching materials for learning calligraphy throughout the ages. Some have become priceless works of art, and there are countless records of auctioning steles at high prices.
Five tombstones are valuable materials and evidence for studying ancient tomb customs, marriage and funeral systems and economic systems.