This is a mature single malt Scotch whisky from Scapa, bottled by Gordon & MacPhail from a single cask at natural cask strength. Its long 31-year maturation and refill hogshead cask suggest a spirit-led style, where the distillery character can remain clear rather than being heavily shaped by fresh oak.
For a novice drinker, expect an older whisky that may show more nuance and structure than overt sweetness. The high ABV means it is likely to taste concentrated and powerful, so a little water may help open it up in the glass.