Bunnahabhain 50 Year Old 30th Anniversary Signatory is an age-statement single malt whisky distilled at the Bunnahabhain Distillery on the isle of Islay and bottled by Signatory. This very special limited-edition release was bottled in January 2019 to commemorate Signatory`s 30th anniversary. Distilled in December 1968, this malt was matured in a single ex-Sherry cask, where it matured for fully half a century. Just 323 bottles made.