What's in a name? Glenburgie 26Year Old 1983 Cask 9813 - Cask Strength Collection (Signatory) whisky is called whisky because it's produced in Scotland. Were it from America it would be spelled Glenburgie 26Year Old 1983 Cask 9813 - Cask Strength Collection (Signatory) whiskey, rather than whisky.