Quest: Act 2 - A Royal Audiance or further
Waypoint: Road to Alcarnus
In this area there is a treasure goblin 50 % of the time. Dont go north to the new area or cross the bridge.
You have to clear a little trash around him but should be fairly easy.
50 runs, he was there 29 times.
Enjoy the hunt!
http://img577.imageshack.us/img577/7043/lootsl.png
PS: There are some chests around this area aswell