Grievous Gladiator's Scaled Helm is part of the transmog set Grievous Gladiator's Scaled Armor (Paladin only), which the Appearances collection lists in 2 versions. The other 13 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Grievous Gladiator's Scaled Helm Fits
Other Items Named Grievous Gladiator's Scaled Helm
4 other items in the current build are also called Grievous Gladiator's Scaled Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Grievous Gladiator's Scaled Helm
Blizzard numbers items as they are created, so the named items next to ID 100368 (100363 to 100373) were usually added in the same batch as Grievous Gladiator's Scaled Helm: the same quest line, zone, vendor or reward set.