John. J. Bowman Bourbon commemorates the great, great uncle of Abram S. Bowman, who founded A. Smith Bowman Distillery. We hand-select some of the oldest barrels in the warehouse to produce a single-barrel bourbon with hints of toffee, leather, figs, and almonds. whiskey aged a minimum of 9 years in new charred oak to a finished barrel strength of 100 proof. Triple-distilled, estimated to be twice by Buffalo Trace and at least once by Smith Bowman, John J Bowman SB Virginia Bourbon is composed of an undisclosed mash bill containing at least 50% corn.