The Exceptional Crossbow of Bita Dizyan is a 628 years old piece made by Bita Dizyan, a atilliator living in Jerusalem.
Considering its age and the quality of the work, people consider it of considerable value.
It is engraved with central asian patterns and some symbols pertaining to Manichaeism.
This piece doesn't exist, but as a legend. It is said that in the year 1381, Bita Dizyan, the owner, made use of it in Jerusalem to empower the Dizyan family. Now it is lost, or broken, we will never know.