d0553e13_ations___Assassin_s_Creed_Wiki__Description
[Artefact] Crown [Hint 1] An Artefact is located in a Palace. [Hint 2] The Palace is next to a Catacomb. [Hint 3] The Catacomb is located to the West of the Palace. [Reward] Novel, The Secret Crusade - first chapter [Description] 
The crown of King Baldwin, Emperor of Constantinople.
Assassin's Creed: Revelations - Path to Revelations - Assassin's Creed Wiki
Description