Item #46981 (possibly named "Monster Horde Pvp Main Hand Red") doesn't exist. It may have been removed from the game.
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Monster - Horde PvP, Main Hand, Red - Live
Monster - Horde PvP, Main Hand, Red - PTR
Monster - Horde PvP, Main Hand, Red - PTR 2
Monster - Horde PvP, Main Hand, Red - Beta
Monster - Horde PvP, Main Hand, Red - Wrath of the Lich King
Monster - Horde PvP, Main Hand, Red - Cataclysm