SMWS 66.260 is a single malt Scotch whisky bottled at a notably mature age of 27 years. At this age, whisky often shows greater integration and complexity, with oak influence and spirit character working more closely together than in younger examples.
For a novice drinker, this is likely to be a more contemplative style of whisky rather than a bright, youthful one. The Society naming suggests a smoky or unusual aromatic profile, but without fuller verified details it is best understood simply as an older single malt that may reward slow sipping and careful attention.