Read from the World of Warcraft client build files.
How Leyline Defender's Faceguard Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Leyline Defender's Faceguard suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Similar Items
The 3 items nearest to Leyline Defender's Faceguard (item level 13) in item level among Armor > Plate, Head slot, from item level 22 to 23.
Leyline Defender's Faceguard is part of the transmog set Leyline Defender's Sunplate Armor (Warrior, Paladin and Death Knight only). The other 16 pieces:
Items Numbered Next to Leyline Defender's Faceguard
Blizzard numbers items as they are created, so the named items next to ID 240381 (240376 to 240386) were usually added in the same batch as Leyline Defender's Faceguard: the same quest line, zone, vendor or reward set.