Probably Speyside's Finest Distillery 40 Year Old 1968 (cask 5047) - Old Malt Cask (Douglas Laing) 70cl Whisky

An Old Malt Cask independent bottling from back when it was Douglas Laing behind the series (it's now released by Hunter Laing after the company was split). The whisky itself is from an undisclosed distillery - Probably Speyside's Finest Distillery, according to Douglas Laing. It was matured in a single cask for 40 years, from November 1968 to March 2009, when it was bottled at 50% ABV with 361 bottles produced.