Extra-Dimensional Ghost Revealer

NOTE: While this item is no longer atainable through its original means, it does still exist for those players who had done the quest chain before patch 4.0.3a.

Source
This item is provided for the following quests:

Extra-Dimensional Ghost Revealer as a quest objective
This item is an objective for the following quests:

List of "Recently Deceased"

 * Anthion Harmon - In front of Stratholme, Eastern Plaguelands
 * Bodley - In front of the portal to Blackrock Spire, Blackrock Mountain
 * Gremnik Rizzlesprang - In the shack above "Sea Wolf" MacKinley, Booty Bay, Stranglethorn Vale