In Wrath of the Lich King it is item level 238, requires level 80 and is named Furious Gladiator's Left Render. In MoP Classic it is item level 238, requires level 80 and sells to vendors for 1c.
Items Numbered Next to Furious Gladiator's Slasher
Blizzard numbers items as they are created, so the named items next to ID 42266 (42260 to 42272) were usually added in the same batch as Furious Gladiator's Slasher: the same quest line, zone, vendor or reward set.