North British 30 Year Old 1991 (cask 262089) – Cask Strength Collection (Signatory)

Glorious single grain Scotch from the North British distillery, independently bottled by Signatory for the Cask Strength Collection. This expression spent three decades maturing in a single refill sherry butt between September 1991 and July 2022, which finally yielded an outturn of 503 bottles.