Read from the World of Warcraft client build files.
How Verdant Gladiator's Silk Hat Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Verdant Gladiator's Silk Hat suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 4 items nearest to Verdant Gladiator's Silk Hat (item level 447) in item level among Armor > Cloth, Head slot, from item level 400 to 545.
Deep-Dweller's Cowl has the highest item level here (545). The lowest listed price among them is Deep-Dweller's Cowl at 33 gold in the US Auction House.
Verdant Gladiator's Silk Hat is part of the transmog set Verdant Gladiator's Silk Armor (Mage only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Items Numbered Next to Verdant Gladiator's Silk Hat
Blizzard numbers items as they are created, so the named items next to ID 209075 (209070 to 209080) were usually added in the same batch as Verdant Gladiator's Silk Hat: the same quest line, zone, vendor or reward set.