The Poor Manuscript of Hildegard Visconti is a 1591 years old piece made by Hildegard Visconti, a storyteller living in Prague.
Considering its age and the quality of the work, people consider it of some value.
It is engraved with european patterns and some symbols pertaining to Folk religion.
This piece doesn't exist, but as a legend. It is said that in the year 907, Zhan Visconti, the owner, made use of it in Ulaanbaatar to empower the Visconti family. Now it is lost, or broken, we will never know.