WashingtonN.W. Beer GuideDecember 18, 2012Beer Release, Black Raven Old Grandfather Bourbon Barrel-aged Imperial Stout, Black Raven BrewingComment Beer Release: WA: Coming Soon (Brewery Exclusive) … Black Raven’s Old Grandfather Bourbon Barrel-aged Imperial Stout WashingtonN.W. Beer GuideDecember 18, 2012Beer Release, Black Raven Old Grandfather Bourbon Barrel-aged Imperial Stout, Black Raven BrewingComment