This is the culmination of the cellar master's blending skill. Various vintages of the oldest Armagnac are aged to perfection and blended to produce this jewel. The result is an Armagnac that will thrill every connoisseur, because of its complexity depth, aromas and taste. This X.O. has a weighted average blend of 15 years. Cles des Ducs meaning "The Key of the Dukes" in France is distilled more slowly than other French brandies and cognacs, which results in a fruiter, more fragrant and flavorful product. All are produced 100% from grapes grown in the Bas-Armagnac region, and aged in limousin oak for longer that most other Armagnac's of comparable grade.