The Poor Gold mask of Rachel Priestoff is a 3756 years old piece made by Rachel Priestoff, a goldsmith living in Ur.
Considering its age and the quality of the work, people consider it of some value.
It is engraved with central asian patterns and some symbols pertaining to Ancient Mesopotamian religion.
This piece doesn't exist, but as a legend. It is said that in the year 404, Levi Priestoff, the owner, made use of it in Isfahan to empower the Priestoff family. Now it is lost, or broken, we will never know.