The Decayed Crown of Liu Marswalker is a 1070 years old piece made by Liu Marswalker, a monarch living in Shanghai.
Considering its age and the quality of the work, people consider it of no value.
It is engraved with asian patterns and some symbols pertaining to Shamanism.
This piece doesn't exist, but as a legend. It is said that in the year 1255, Ferdinand Marswalker, the owner, made use of it in Edinburgh to empower the Marswalker family. Now it is lost, or broken, we will never know.