In Wrath of the Lich King it is item level 258, requires level 80 and sells to vendors for 8g 56s 24c. In MoP Classic it is item level 245, requires level 80 and sells to vendors for 11g 96s 46c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Stormrage Coverlet Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Stormrage Coverlet suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Stormrage Coverlet is part of the transmog set Stormrage Raiment (Druid only). The other 13 pieces:
Blizzard numbers items as they are created, so the named items next to ID 49471 (49466 to 49476) were usually added in the same batch as Stormrage Coverlet: the same quest line, zone, vendor or reward set.