Jameson 18 Year Old Bow Street Cask Strength Irish WhiskeyA blend of three rare whiskeys matured for 18 years in specially selected European and American oak casks at Middleton Distillery, finished in first fill bourbon barrels at original home in Bow St., Dublin, and released at cask strength. The resulting whiskey is unparalleled in terms of quality and character, balancing the characteristic smoothness with the power of Jameson whiskey in its natural state.