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.
In the Appearances collection, Deadly Gladiator's Silk Amice is listed as Vendor. Appearance ID: 10830. No other item uses this appearance, so it is unique to Deadly Gladiator's Silk Amice.
Read from the World of Warcraft client build files.
How Deadly Gladiator's Silk Amice Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Deadly Gladiator's Silk Amice suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 10 items nearest to Deadly Gladiator's Silk Amice (item level 35) in item level among Armor > Cloth, Shoulder slot, from item level 31 to 38.
Items Numbered Next to Deadly Gladiator's Silk Amice
Blizzard numbers items as they are created, so the named items next to ID 41964 (41958 to 41970) were usually added in the same batch as Deadly Gladiator's Silk Amice: the same quest line, zone, vendor or reward set.