Distilled in 1937 and bottled in 2001, this is one of the rarest bottles of Glenfiddich ever to be released.

Aged for 64 years, the dark amber liquid will go up for auction at Christie's Fine and Rare Wines Including Rare Spirits, which will be held in London on 7 June 2012. From an Anonymous Private Collection (with an estimate: £50,000-70,000), this single malt was discovered to be an unusually slow-maturing whisky.

Over its life, ten consecutive warehouse masters patiently watched over cask 843, filled with spirit from the stills at The Glenfiddich distillery in Dufftown and laid down in a dark, damp dunnage warehouse to mature and develop, frequently nosing and tasting it, as they noted its development.

Finally in October 2011, after 64 years, the longest time a single malt whisky had remained in cask at that time, Glenfiddich's Malt Master David Stewart declared that cask 843 was ready to be bottled. Only 61 bottles were left in the cask, of which this present example is the 42nd.

Chris Munro, Head of Wine at Christie's London, said, "We are very excited to be able to offer our clients the opportunity to bid for such a rare whisky in our June auction. The already global collecting base within the whisky market continues to grow, with a great deal of crossover from our established wine buyers, and I've no doubt this bottle will invite a flurry of interest from collectors both old and new."

The bottle will be put up for auction in it's original wooden case with key.

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