Four Gate Whiskey Company Andalusia Key II is a Kentucky Straight Bourbon Whiskey made from a mash bill of 75% corn, 20% rye and 5% malted barley and aged at least 7 years, 6 months. The whiskey is finished in Spanish Oloroso Sherry-Dark Rum casks and bottled at 116.4 proof. Only 4,014 bottles were produced with an MSRP of $199.