Bn7 - Elements of Islay (Bunnahabhain) 50cl Whisky

The seventh release of single malt from the "Bn" distillery on Islay from the Elements of Islay range. This one was matured in a pair of Oloroso sherry hogsheads and bottled at cask strength - if only we could figure out the science-themed riddle of which distillery it came from...