Calumet Farm Single Rack Black 16 Year Old Bourbon Whiskey is the pinnacle of the Calumet Farm Bourbon family. Distilled from a mash bill of 74% corn, 18% rye, and 8% malted barley and aged slowly in single, center cut racks in Kentucky-only rick houses. This expression of the Calumet Farm Bourbon family is the oldest and highest proof to date. It is non-chill filtered for added depth of character and color. Calumet Farm 16 Year Old Single Rack Black Kentucky Straight Bourbon Whiskey. Non-chilled filtered for added depth of character. Triple Crown Winner Citation. Rack No. W4007.09. Batch Size 19 Barrels. 53%ALC/VOL (103 proof). Foil Seal Excellent. Labels Excellent. 750mL. Bottled by Three Springs Bottled Company, Bowling Green, KY for Western Sports.