The Jameson 12 years special Reserve 70cl, 40% vol. Rarity (not produced for years) The Jameson 12 years is considered one of the finest whiskeys in Ireland due to its pleasantly sweet and full taste. It is a light, smooth blend that never gets boring due to its sherry tones and pot still character. The Jameson 12 years is distilled three times, which gives it its mild taste. This deluxe whiskey matures for twelve years. The year 1872 is noted on the label. It is the year in which John Jameson founded his distillery on Bow Street in Dublin and began to build his whiskey empire. Today, this distillery is an impressive museum where the numerous visitors can experience the history of Jameson and Irish whiskey in general first hand.