In Wrath of the Lich King it is item level 245, requires level 80 and is named Relentless Gladiator's Right Ripper. In MoP Classic it is item level 245, 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 Ripper
Blizzard numbers items as they are created, so the named items next to ID 42262 (42256 to 42269) were usually added in the same batch as Relentless Gladiator's Ripper: the same quest line, zone, vendor or reward set.