In Wrath of the Lich King it is item level 245 and requires level 80. In MoP Classic it is item level 225, requires level 80 and sells to vendors for 1c.
Read from the World of Warcraft client build files.
How Valorous Nightsong Spaulders Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Valorous Nightsong Spaulders 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
Valorous Nightsong Spaulders is part of the transmog set Valorous Nightsong Battlegear (Druid only). The other 16 pieces:
Items Numbered Next to Valorous Nightsong Spaulders
Blizzard numbers items as they are created, so the named items next to ID 45349 (45344 to 45354) were usually added in the same batch as Valorous Nightsong Spaulders: the same quest line, zone, vendor or reward set.