A single cask Glenrothes, distilled in 2007 and bottled by The Scotch Malt Whisky Society after maturing in a 1st fill Spanish oak sherry butt for 9 years. SMWS 30.94, named (wait for it!) 'Riding a duck bareback up Mount Etna'! has been bottled at cask strength, 64.5% vol, with an outturn of 666 bottles.