In Wrath of the Lich King it is item level 258, requires level 80 and sells to vendors for 7g 30s 8c. In MoP Classic it is item level 245, requires level 80 and sells to vendors for 7g 30s 8c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Netherwind Crown Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Netherwind Crown suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Netherwind Crown is part of the transmog set Netherwind Regalia (Mage only). The other 10 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Netherwind Crown Fits
Other Items Named Netherwind Crown
1 other item in the current build is also called Netherwind Crown. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 49481 (49476 to 49486) were usually added in the same batch as Netherwind Crown: the same quest line, zone, vendor or reward set.