Read from the World of Warcraft client build files.
How Deathstalker's Collar Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Deathstalker's Collar suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 4 items nearest to Deathstalker's Collar (item level 60) in item level among Armor > Leather, Head slot, from item level 46 to 60.
Deathstalker's Collar is part of the transmog set Deathstalker's Guise (Rogue, Monk, Druid and Demon Hunter only), which the Appearances collection lists in 2 versions. The other 11 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Deathstalker's Collar Fits
Other Items Named Deathstalker's Collar
1 other item in the current build is also called Deathstalker's Collar. 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 165475 (165470 to 165480) were usually added in the same batch as Deathstalker's Collar: the same quest line, zone, vendor or reward set.