In Wrath of the Lich King it is item level 213 and requires level 80. In MoP Classic it is item level 213, requires level 80 and sells to vendors for 1c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Deadly Gladiator's Mail Armor Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Deadly Gladiator's Mail Armor suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Similar Items
The 10 items nearest to Deadly Gladiator's Mail Armor (item level 35) in item level among Armor > Mail, Chest slot, from item level 29 to 39.
Items Numbered Next to Deadly Gladiator's Mail Armor
Blizzard numbers items as they are created, so the named items next to ID 40991 (40986 to 40998) were usually added in the same batch as Deadly Gladiator's Mail Armor: the same quest line, zone, vendor or reward set.