M.S. Walker and MacDuff International released Grand Macnish 15 Year Old Sherry Cask blended Scotch whisky. Aged in sherry casks, the 15 Year Old represents the third member of a “trifecta,” which also includes 150th Anniversary Edition and 12 Year Dual-Cask Aged. This whisky uses a select blend of more than 30 Highland and Speyside malts.