A commemorative bottle for Douglas Campbell's 50 years at the distillery. He selected Casks from each decade to create a unique single malt.
Here are the casks that were used:
Refill Sherry Hogshead from 1967
Oloroso Sherry Butts from 1976
Refill Sherry Hogsdeads from 1984
First Fill Bourbon Barrels from 1990
Fill Bourbon Barrels from 2005
They vatting was then bottled un-chillfiltered at 46% .