"Her majesty's own tea cup was carelessly left in the rooftops of the Palace of Westminster. It is unknown how and when it got here or who placed it here. But someone is just asking to get fired. You're not the majesty but drinking out of this tea cup makes any meal or drink fit for a king and queen."
The tea cup is located on top of the highest tower of the Palace of Westminster. Getting it to the Safehouse is a hard task.
- This treasure is the most valuable one in the game.