The Unique Door of Ece Adam is a 418 years old piece made by Ece Adam, a builder living in Mecca.
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 Ancient Mesopotamian religion.
This piece doesn't exist, but as a legend. It is said that in the year 1597, Ece Adam, the owner, made use of it in Mecca to empower the Adam family. Now it is lost, or broken, we will never know.