Old Forester 1870 Original Batch Straight Bourbon 90 Proof 750MLOld Forester 1870 Original Batch echoes George Garvin Browns original 1870 batching process. Back then, Brown batched barrels obtained from three distilleries to create a consistent flavor profile. To emulate that process today, we also select barrels from three warehouses, each barrel originating from a different day of production, with a different entry proof and a different age profile. The three expressions of Old Forester are then batched