The Standard Ring of Levi Haliorapo is a 3747 years old piece made by Levi Haliorapo, a jeweler living in Nishapur.
Considering its age and the quality of the work, people consider it of high value.
It is engraved with central asian patterns and some symbols pertaining to Zoroastrianism.
This piece doesn't exist, but as a legend. It is said that in the year -1571, Iraj Haliorapo, the owner, made use of it in Nishapur to empower the Haliorapo family. Now it is lost, or broken, we will never know.