In Wrath of the Lich King it is item level 258, requires level 80 and sells to vendors for 7g 10s 76c. In MoP Classic it is item level 232, requires level 80 and sells to vendors for 7g 10s 76c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Nemesis Skullcover Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Nemesis Skullcover suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 10 items nearest to Nemesis Skullcover (item level 35) in item level among Armor > Cloth, Head slot, from item level 32 to 38.
Blizzard numbers items as they are created, so the named items next to ID 49315 (49309 to 49320) were usually added in the same batch as Nemesis Skullcover: the same quest line, zone, vendor or reward set.