Whisky Blantons Honey Barrel Special Release 2021. Blantons Honey Barrel Special Release 2021 is an extremely rare bourbon produced in just 5 barrels. It is the most sought-after and collectible bourbon in the world. It is bottled in a 130-proof barrel. This particular bottling is inspired by the series of "honey barrels" that Colonel Blanton personally selected to offer to dignitaries and other distinguished guests.