The Exceptional Door of Adebiyi Lysander is a 4519 years old piece made by Adebiyi Lysander, a builder living in Sidubu Cave.
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 -1776, Utatrerses Lysander, the owner, made use of it in Nok to empower the Lysander family. Now it is lost, or broken, we will never know.