Batch No. CASB16. 50 barrels, batch size. Small batch. Crafted from a blend of premium Kentucky Straight Bourbons. 14 yr. old KY Bourbon, 25 barrels .8 yr. old KY Bourbon, 25 barrels. Calumet Farm Small Batch Bourbon Whiskey is carefully aged and crafted, making it a sublime offering and worthy of carrying the name of one of the most prestigious horse racing farms in all of history. This bourbon is a tribute to that history.