|Appears In:||Mission 5|
HistoryThis Clue is controversial, because the mission says that it was hidden in Venezuela, but The Black Book of Buried Secrets says that it was hidden in the Hagia Sophia in Turkey, or it could have been hidden twice.
Both this combo and Mission 5: The General's Clue unlock Lead.
- Card 89: Jonah's Journal
- Card 92: Simon Bolivar
- Card 121: The Emperor's Promise
- Card 122: Mateo Sanchez
The Key on the cards forming the Card Combo for Lead has a gravestone sign in it.
Lead is a metal formerly used in pencils until it was replaced it with graphite, because lead is poisonous. It also lined the box in Storm Warning so that it could not be x-rayed.