Cooperstown Select Straight Bourbon Whiskey- Our most highly acclaimed and distinguished bourbon stands out among even the finest whiskeys in the world. Aged at least three years in choice oak barrels, it is masterfully-crafted from a highly unique four grain mash bill made exclusively from local New York State grains. It is a remarkably soft and delicate bourbon. A true masterpiece worthy of its many past awards and world-class reputation. 100 Proof.