Myrrh

Myrrh is the 20th clue. It is an Ekaterina clue and was located in Cairo, Egypt.

History
It is unknown how this clue was placed in Cairo. However, the original hiding place of the clue was destroyed by Grace Cahill and she moved the clue to a password protected box and left it there for her grandchildren, Amy and Dan, to discover.

Myrrh
Myrrh is a type of plant with medicinal purposes. Myrrh was commonly used in Ancient Egyptian funerals.