In Wrath of the Lich King it is item level 258, requires level 80 and is named Relentless Gladiator's Left Claw. In MoP Classic it is item level 258, requires level 80 and sells to vendors for 1c.
The Black FangID 127330 · Weapon - Fist Weapon · item level 44
Items Numbered Next to Relentless Gladiator's Claw
Blizzard numbers items as they are created, so the named items next to ID 48444 (48435 to 48449) were usually added in the same batch as Relentless Gladiator's Claw: the same quest line, zone, vendor or reward set.