Item #42161 (possibly named "Monster Sword 1h Northrend C01 Red Red Glow") doesn't exist. It may have been removed from the game.
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Monster - Sword, 1H Northrend C01 Red, Red Glow - Live
Monster - Sword, 1H Northrend C01 Red, Red Glow - PTR
Monster - Sword, 1H Northrend C01 Red, Red Glow - PTR 2
Monster - Sword, 1H Northrend C01 Red, Red Glow - Beta
Monster - Sword, 1H Northrend C01 Red, Red Glow - Wrath of the Lich King
Monster - Sword, 1H Northrend C01 Red, Red Glow - Cataclysm