The label on this bottle is wrong.
Quote from Willy JJ:
This whisky is Inverleven and not Dumbarton. It is malt whisky made
in the Inverleven stills which were located in the Dumbarton complex,
hence the labelling from Cadenhead`s. The whisky called Dumbarton is a
I keep the bottle as a Dumberton because otherwise nobody can find it.
Thanks Willy and Magic_slim.