Read from the World of Warcraft client build files.
How Obsidian Gladiator's Leather Mask Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Obsidian Gladiator's Leather Mask 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 2 items nearest to Obsidian Gladiator's Leather Mask (item level 408) in item level among Armor > Leather, Head slot, from item level 330 to 400.
Obsidian Gladiator's Leather Mask is part of the transmog set Obsidian Gladiator's Leather Armor (Druid only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Obsidian Gladiator's Leather Mask Fits
Other Items Named Obsidian Gladiator's Leather Mask
3 other items in the current build are also called Obsidian Gladiator's Leather Mask. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Obsidian Gladiator's Leather Mask
Blizzard numbers items as they are created, so the named items next to ID 205544 (205539 to 205549) were usually added in the same batch as Obsidian Gladiator's Leather Mask: the same quest line, zone, vendor or reward set.