Phra Somdej Bang Khun Phrom Kru Chedi Lek was found in year 1966 (2509 B.E.), But Expected to created in the year A.D. 1868 - 1870 (2411-2413 B.E.) Which the most famous "Phra Kru" in that year and the temple stamped symbol of Wat on back.
This Phra Somdej is made of old Sacred Materials of Somdej Toh, It's in original condition by have natural dust covered on. Wat Bang Khun Phrom is one of three
of the temples that was Created by Somdej Toh Prommarangsri (Somdej Toh
Wat Rakhang).
"Phra Kru" is the antique which sacred things or amulet that was buried in various sanctuary such as stupa in the temple, under the church, chapel though under ground or under trees and in the home of ancient amulet collectors. Which the important reason in buried(someone called "hide") in the ancient time was kept for legacy to their progeny and young generation. In summary was kept by buried that make the amulets still in a good condition, not lost and prevent from destroyed.
In generally, Phra Kru will had more age than 100 years. Some mold of Phra Kru was more than 1000 years. And, all various of Phra Kru that was found will make young generation can recapture history, prosperity in culture arts in ancient era from Phra Kru.