In Wrath of the Lich King it is item level 264, requires level 80 and sells to vendors for 8g 77s 27c. In MoP Classic it is item level 264, requires level 80 and sells to vendors for 8g 77s 27c.
Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Etched Dragonbone Girdle Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Etched Dragonbone Girdle suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Etched Dragonbone Girdle is part of the transmog set Scourgelord's Plate (Death Knight only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Etched Dragonbone Girdle Fits
Other Items Named Etched Dragonbone Girdle
1 other item in the current build is also called Etched Dragonbone Girdle. 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 51821 (51816 to 51826) were usually added in the same batch as Etched Dragonbone Girdle: the same quest line, zone, vendor or reward set.