The Standard Compass of Urvasi Museum is a 1099 years old piece made by Urvasi Museum, a engineer living in Shanghai.
Considering its age and the quality of the work, people consider it of some value.
It is engraved with asian patterns and some symbols pertaining to Jainism.
This piece doesn't exist, but as a legend. It is said that in the year 911, Urvasi Museum, the owner, made use of it in Shanghai to empower the Museum family. Now it is lost, or broken, we will never know.