Ancient Pickled Egg

Source
This item was a possible drop from Coren Direbrew in the Grim Guzzler of Blackrock Depths during Brewfest 2009 and 2010.

The abilities of this item are identical to those of the, an item purchasable for. One presumes that both can be equipped at the same time if desired.

The item is likely referring to century eggs in the real world.