The Unique Rock of Dawud Reeveoff is a 1483 years old piece made by Dawud Reeveoff, a beggar living in Jerusalem.
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 Folk religion.
This piece doesn't exist, but as a legend. It is said that in the year 929, Kalina Reeveoff, the owner, made use of it in Lisbon to empower the Reeveoff family. Now it is lost, or broken, we will never know.