The Historic Rock of Onanojah Copper is a 4620 years old piece made by Onanojah Copper, a beggar living in Engaruka.
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 Shamanism.
This piece doesn't exist, but as a legend. It is said that in the year -2461, Aksil Copper, the owner, made use of it in Leopard's Kopje to empower the Copper family. Now it is lost, or broken, we will never know.