Glenfiddich 50 Year Old, one of the rarest single-malt whiskies ever released by the scotch distillery, will be available to taste for one night only, Wednesday, September 4, at the San Antonio cocktail bar 1919. Priced from $25,000 to $27,000 per bottle, the extremely limited-edition whisky—just 50 bottles were released this year worldwide—will be the showpiece in a tasting that also includes five other single malts, among them the Glenfiddich 30 Year Old and 1974 Vintage. The tasting will be presented along …