Maces split their audience between healers and melee, and a mace with healing stats often prices differently from its damage twin at the same item level.
Mace (Weapon)
Auction-house prices and price history for Mace in MoP Classic.
227 items in Weapons › Mace are currently auctionable in Mists of Pandaria Classic.
Prices refresh daily from TradeSkillMaster (TSM), so day-to-day gaps in lower-volume listings are expected rather than a collection problem.
Mace listings link to price-history pages with per-realm buyout, average, and median data for Mists of Pandaria Classic.