West Cork Irish Whiskey Cask Finishes. A limited release of 12yr Single Malt Irish whiskey aged in first fill Bourbon casks for 12 years and finished for circa 110 days in rum, sherry (Pedro Ximinez) or port (Douro Superior) casks. WCD polish matures in selected casks for a shorter period than other distilleries to avoid overpowering the bourbon cask maturation. Colour: Mahogany Brown. Aroma: Malt, dried fruit. Almonds. Taste: Malt, floral,dried fruit, berries & lingering sweetness.