Paying 10k. Will buy from either faction.
This item was in the pre-4.0 loot table of a rare spawn in Arathi Highlands named Nimar the Slayer. Cataclysm's altering of mob levels in the zone resulted in it being removed; the rare spawn is still around, but this item no longer is obtainable.
Check your banks, check your alts. Post here or mail me in-game if you have one.