20 Year, 90.4 Proof This is the #1 rated Bourbon Whiskey in the world—Rated 99 out of 100 by the World Spirits Championship. This bourbon is aged 20 years and bottled at 90.4 proof. This whiskey is wonderfully smooth and rich. No other bourbon today can stand 20 years of aging, but this bourbon does it with style. “Pappy” Van Winkle was a true character. This bourbon, like “Pappy”, is full of character that makes it a very special whiskey. It has been put in the class of a fine after dinner cognac.