The Unique Plans of Apunanwu Chouchou is a 4158 years old piece made by Apunanwu Chouchou, a architect living in Karnak.
Considering its age and the quality of the work, people consider it of priceless 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 -1822, Khabekhnet Chouchou, the owner, made use of it in Aksum to empower the Chouchou family. Now it is lost, or broken, we will never know.