Balvenie Tun 1509 Single Malt Batch 2 comes from 32 specially selected barrels - varying in volume, strength and age - by David Stewart. 18 traditional American oak barrels, 5 American oak barrels, 7 Sherry Butts and 2 Sherry Hogshead barrels. This selection has matured together for several months in Tun 1509. The result is a unique, sweet and elegant Single Malt whisky with depth and maturity.