Grievous Gladiator's Silk Amice is part of the transmog set Grievous Gladiator's Silk Armor (Mage only), which the Appearances collection lists in 2 versions. The other 6 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Grievous Gladiator's Silk Amice Fits
Other Items Named Grievous Gladiator's Silk Amice
4 other items in the current build are also called Grievous Gladiator's Silk Amice. 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 Silk Amice
Blizzard numbers items as they are created, so the named items next to ID 100337 (100332 to 100342) were usually added in the same batch as Grievous Gladiator's Silk Amice: the same quest line, zone, vendor or reward set.