This quest was marked obsolete by Blizzard and cannot be obtained or completed.
Take the Dusty Unsent Letter to Clerk Daltry.
You find a Dusty Unsent Letter in the old footlocker.
Ah, I remember you. You're the one who was asking about that Stalvan fellow. Did you ever find what you were looking for?
Interesting. So the chap did spend some time in Moonbrook after all. It is rather odd the letter never got delivered. Nonetheless, I shall update the registry.
Upon completion of this quest you will gain: