Gloves of the Lost Conqueror

Gloves of the Lost Conqueror is a tier 7 armor token. It can be exchanged in Dalaran for the following items:
 * Heroes' Redemption Gauntlets
 * Heroes' Redemption Gloves
 * Heroes' Redemption Handguards
 * Heroes' Gloves of Faith
 * Heroes' Handwraps of Faith
 * Heroes' Plagueheart Gloves

Source
This item drops from Sartharion in the 10-man version of the Obsidian Sanctum.

This item is also sold by the following vendors for :
 * in Dalaran
 * in Dalaran