The Disturbing Abacus of Ilozumba Onvaou is a 2673 years old piece made by Ilozumba Onvaou, a merchant living in Volubilis.
Considering its age and the quality of the work, people consider it of considerable value.
It is engraved with african patterns and some symbols pertaining to Ancient Egyptian religion.
This piece doesn't exist, but as a legend. It is said that in the year 299, Chibarameze Onvaou, the owner, made use of it in Assur to empower the Onvaou family. Now it is lost, or broken, we will never know.