517 mace weapon items
The Forever catalog holds 517 mace weapon items, topping out at item level 96 with Will of the Mountain, Hammer of the Twisting Nether, Hammer of the Twisting Nether. Every weapon in the Forever catalog, from the vanilla dungeon and raid drops to the new Forever additions, sorted by item level with daggers, swords, staves, polearms, bows, guns, and wands as filters.
By quality: 155 epic, 150 uncommon, 132 rare, 57 common, 20 poor, 3 legendary. Item levels run from 1 to 96, for characters from level 1 to 60. 123 bind when picked up and never reach the auction house; 394 can be listed.
The highest item levels here: Will of the Mountain (96), Hammer of the Twisting Nether (89), Hammer of the Twisting Nether (89), Might of Menethil (89).
One profession makes 33 of them: Blacksmithing (33). The rest drop, are sold by vendors, or come from quests.
Source: World of Warcraft: Forever game data and Blizzard's Game Data API. Updated with each game build.