Suntory Prestige 25 years is a very old Japanese whisky, coming from the Yamazaki Distillery - the birth-place of Japanese whisky. To produce it, the geniuses at Suntory selected the finest prized stock of malt whisky, which has been matured for a quarter of a century or more. They then blended this with at least 25 year old mellow grain whisky.

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https://dekanta.com/store/suntory-whisky-prestige-aged-25-years/