The Unique Crown of Peng Marswalker is a 1120 years old piece made by Peng Marswalker, a monarch living in Ulaanbaatar.
Considering its age and the quality of the work, people consider it of high 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 1460, Chatur Marswalker, the owner, made use of it in Osaka to empower the Marswalker family. Now it is lost, or broken, we will never know.