Mag'hari Battleaxe

Source
This item is bought from the following vendors for :
 * in Dalaran
 * in Blade's Edge Mountains
 * in Shadowmoon Valley
 * in Hellfire Peninsula
 * in Shadowmoon Valley
 * in Dalaran
 * in Hellfire Peninsula
 * in Dalaran
 * in Dalaran
 * in Netherstorm
 * in Blade's Edge Mountains

Trivia
The Mag'hari Battleaxe is currently the fastest two-hand axe in-game.