In The Burning Crusade it is item level 154 and requires level 70. In Wrath of the Lich King it is item level 154, requires level 70 and sells to vendors for 1c. In MoP Classic it is item level 154, requires level 70 and sells to vendors for 1c.
In the Appearances collection, Brutal Gladiator's Gavel is listed as Vendor. Appearance ID: 9113. No other item uses this appearance, so it is unique to Brutal Gladiator's Gavel.
Read from the World of Warcraft client build files.
How Brutal Gladiator's Gavel Compares
Who It Suits
In their in-game specialization descriptions, these specs name maces among their preferred weapons:
2.1 DPS, +4 Intellect, +5 Stamina, +5 Versatility. World Drop
5,000 goldon 47 realms
Gurubashi Punisher has the highest item level here (37). The lowest listed price among them is Gurubashi Punisher at 75 silver in the US Auction House.
Blizzard numbers items as they are created, so the named items next to ID 35014 (35009 to 35019) were usually added in the same batch as Brutal Gladiator's Gavel: the same quest line, zone, vendor or reward set.