The Famous Gold mask of Bita Yurkaya is a 3179 years old piece made by Bita Yurkaya, a goldsmith living in Assur.
Considering its age and the quality of the work, people consider it of priceless value.
It is engraved with central asian patterns and some symbols pertaining to Animism.
This piece doesn't exist, but as a legend. It is said that in the year 581, Flavius Yurkaya, the owner, made use of it in Barcelona to empower the Yurkaya family. Now it is lost, or broken, we will never know.