Quincy Street Laughton Bros. Bottled-in-Bond BourbonA limited edition expression of Quincy Street Distillery's Laughton Bros. Bourbon, aged four years in medium char barrels and bottled at 100 proof. The mash bill is 83% corn with the balance of barley malt and rye malt. It is a balanced whiskey, with a core of sweet corn flavor. It has a long finish from malts with hints of tobacco, spice and mint flavors.