Read from the World of Warcraft client build files.
How Prized Warmonger's Helm Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Prized Warmonger's Helm suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 3 items nearest to Prized Warmonger's Helm (item level 350) in item level among Armor > Mail, Head slot, from item level 330 to 400.
Blizzard numbers items as they are created, so the named items next to ID 230133 (230128 to 230138) were usually added in the same batch as Prized Warmonger's Helm: the same quest line, zone, vendor or reward set.