The balvenie 15 year old single barrel sherry cask is a celebration of the unique and mysterious interaction between oak spirit and time. This exceptional whiskey is matured exclusively in a european oak sherry butt for at least 15 years. And while each cask is subtly different-malt master david stewart hand selects each barrel for its flavor of dried fruits nuts and spice. No more than 650 hand-numbered bottles are drawn from each sherry butt making every bottling unique and unrepeatable. The balvenie 15 year old single barrel is bottled at a higher strength of 47. 8% abv. Nose: dried fruits overlaid with a gentle nuttiness. Taste: rich with elegant oak and subtle spice. Finish: long sherried finish.