In Wrath of the Lich King it is item level 226, requires level 80 and is named Dreamwalker Headpiece. In MoP Classic it is item level 213 and requires level 80.
Read from the World of Warcraft client build files.
How Valorous Dreamwalker Headpiece Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Valorous Dreamwalker Headpiece suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 10 items nearest to Valorous Dreamwalker Headpiece (item level 35) in item level among Armor > Leather, Head slot, from item level 32 to 37.
Items Numbered Next to Valorous Dreamwalker Headpiece
Blizzard numbers items as they are created, so the named items next to ID 40461 (40456 to 40467) were usually added in the same batch as Valorous Dreamwalker Headpiece: the same quest line, zone, vendor or reward set.