In Wrath of the Lich King it is item level 252 and requires level 80. In MoP Classic it is item level 252, requires level 80 and sells to vendors for 1c.
Items Numbered Next to Furious Gladiator's Halberd
Blizzard numbers items as they are created, so the named items next to ID 45951 (45946 to 45956) were usually added in the same batch as Furious Gladiator's Halberd: the same quest line, zone, vendor or reward set.