bunnahabhain 1992 px quarter cask twin set 42 0 volIslay's windswept coast is the starting point for a unique twin set of very limited single cask whiskeys . Both single malts of the Bunnahabhain 1992 PX Quarter Cask Twin Set were distilled on February 10, 1992, have since matured in comparable casks and, like human twins, developed into two bottlings with their own unique character . The whiskey twins initially matured in whiskey refill barrels, the contents of which were combined in a PX Hogshead in