The Poor Compass of Urvasi Music is a 644 years old piece made by Urvasi Music, a engineer living in Beijing.
Considering its age and the quality of the work, people consider it of little 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 1804, Wibawa Music, the owner, made use of it in Beijing to empower the Music family. Now it is lost, or broken, we will never know.