The Decayed Sickle of Pedro Visconti is a 1639 years old piece made by Pedro Visconti, a farmer living in Prague.
Considering its age and the quality of the work, people consider it of no 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 560, Ernst Visconti, the owner, made use of it in Ulaanbaatar to empower the Visconti family. Now it is lost, or broken, we will never know.