Mackinlay's Shackleton Rare Old Highland Malt-The Discovery Bottled 2013. Distilled, Blended and Bottled by Charles Mackinlay & Co., Glasgow In wooden presentation case. Good labelling. Level: into neck. - Analysis of the original Mackinlay's malt revealed the taste profile of the whisky. The team also established the strength of the whisky at 47.3% alc/vol, the fact that Orkney peat was used in the malting, and that the spirit had been matured in American white oak sherry casks. 70cl. Blended., 47.3% volume. 1 bottle