Jim Beam® Signature Craft Kentucky Straight Bourbon Whiskey. Since 1795. Small batch. Quarter cask finished. 86 proof. 3rd release. 750 ml. Jim Beam® signature craft is a series of innovative whiskeys designed to showcase some of the finest hand-crafted expressions from our diverse lineup. Each signature craft whiskey brings something new, uniquely crafted and extremely special to the world of small batch bourbon. Our 2014 edition is finished with bourbon aged in quarter-sized casks for four to five years. The addition of bourbon from smaller, newly charred oak barrels heightens the deep caramel and vanilla flavors and adds a hint of smoke.