Primal Gladiator's Ironskin Helm is part of the transmog set Primal Gladiator's Ironskin Armor (Monk 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 Primal Gladiator's Ironskin Helm Fits
Other Items Named Primal Gladiator's Ironskin Helm
2 other items in the current build are also called Primal Gladiator's Ironskin Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Primal Gladiator's Ironskin Helm
Blizzard numbers items as they are created, so the named items next to ID 115883 (115878 to 115888) were usually added in the same batch as Primal Gladiator's Ironskin Helm: the same quest line, zone, vendor or reward set.