Read from the World of Warcraft client build files.
How Light's Vanguard Legplates Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Light's Vanguard Legplates suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Similar Items
The 2 items nearest to Light's Vanguard Legplates (item level 13) in item level among Armor > Plate, Legs slot, from item level 22 to 23.
Light's Vanguard Legplates is part of the transmog set Light's Vanguard Battleplate (Paladin only), which the Appearances collection lists in 4 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Light's Vanguard Legplates Fits
Other Items Named Light's Vanguard Legplates
2 other items in the current build are also called Light's Vanguard Legplates. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 247186 (247181 to 247191) were usually added in the same batch as Light's Vanguard Legplates: the same quest line, zone, vendor or reward set.