The Poor Abacus of Afshin Arabidobsis is a 3588 years old piece made by Afshin Arabidobsis, a merchant living in Nishapur.
Considering its age and the quality of the work, people consider it of some value.
It is engraved with central asian patterns and some symbols pertaining to Yazdanism.
This piece doesn't exist, but as a legend. It is said that in the year -1478, Farid Arabidobsis, the owner, made use of it in Nishapur to empower the Arabidobsis family. Now it is lost, or broken, we will never know.