The Historic Bells of Ku-enlila Arabidobsis is a 3699 years old piece made by Ku-enlila Arabidobsis, a dancer living in Nishapur.
Considering its age and the quality of the work, people consider it of priceless value.
It is engraved with central asian patterns and some symbols pertaining to Yazdanism.
This piece doesn't exist, but as a legend. It is said that in the year -1689, Ku-enlila Arabidobsis, the owner, made use of it in Nishapur to empower the Arabidobsis family. Now it is lost, or broken, we will never know.